| Plainsman and the Lady | 1946 | Mr. Russell | Movie |
| The Hoodlum Saint | 1946 | Annoyed Man (scenes deleted) | Movie |
| Blonde Alibi | 1946 | Police Capt. Hurley (uncredited) | Movie |
| Ding Dong Williams | 1946 | Mr. Saul Dana (as William Davidson) | Movie |
| Her Kind of Man | 1946 | Newspaper Editor Seelig (uncredited) | Movie |
| In Old Sacramento | 1946 | Fargo (uncredited) | Movie |
| The Cat Creeps | 1946 | James Walsh (as William Davidson) | Movie |
| The Notorious Lone Wolf | 1946 | Inspector Crane (as William Davidson) | Movie |
| Dillinger | 1945 | Bank President (uncredited) | Movie |
| Incendiary Blonde | 1945 | Mr. Davidson - Businessman (uncredited) | Movie |
| Saratoga Trunk | 1945 | Mr. Stone (uncredited) | Movie |
| They Were Expendable | 1945 | Hotel Manager (uncredited) | Movie |
| You Came Along | 1945 | Airport Official (uncredited) | Movie |
| Ziegfeld Follies | 1945 | 2nd Judge ('Pay the Two Dollars') (uncredited) | Movie |
| Blonde Ransom | 1945 | Police Captain (as Bill Davidson) | Movie |
| Circumstantial Evidence | 1945 | Chairman | Movie |
| Leave It to Blondie | 1945 | Butler (uncredited) | Movie |
| Night Club Girl | 1945 | Brenner (uncredited) | Movie |
| See My Lawyer | 1945 | Judge | Movie |
| Shady Lady | 1945 | Danton (uncredited) | Movie |
| Sing Your Way Home | 1945 | F.T. Johnson (uncredited) | Movie |
| Swing Out, Sister | 1945 | Doorman (uncredited) | Movie |
| The Man Who Walked Alone | 1945 | Governor | Movie |
| Penthouse Rhythm | 1945 | Doorman- Junior's Building (uncredited) | Movie |
| Tell It to a Star | 1945 | Brannigan | Movie |
| Youth for the Kingdom | 1945 | Mr. Manson | Movie |
| And the Angels Sing | 1944 | Theatrical Agent (uncredited) | Movie |
| Greenwich Village | 1944 | Bert Hendricks, Dance Director (uncredited) | Movie |
| In Society | 1944 | Parker | Movie |
| San Diego I Love You | 1944 | General (uncredited) | Movie |
| Since You Went Away | 1944 | Taxpayer (uncredited) | Movie |
| Song of Nevada | 1944 | Worthington (uncredited) | Movie |
| Strange Confession | 1944 | Adjutant | Movie |
| Up in Arms | 1944 | Maxwell (uncredited) | Movie |
| A Night of Adventure | 1944 | Gilbert J. 'Gil' Regan (uncredited) | Movie |
| Make Your Own Bed | 1944 | Mr. Linklater (uncredited) | Movie |
| Shine on Harvest Moon | 1944 | Tim Donovan (uncredited) | Movie |
| Allergic to Love | 1944 | Mr. Henderson (as William Davidson) | Movie |
| Happy Go Lucky | 1943 | Husband (uncredited) | Movie |
| Hers to Hold | 1943 | Al, a Guest (uncredited) | Movie |
| In Old Oklahoma | 1943 | Master of Ceremonies (uncredited) | Movie |
| Let's Face It | 1943 | Man in Boat (uncredited) | Movie |
| Mission to Moscow | 1943 | Senator (uncredited) | Movie |
| The Good Fellows | 1943 | Blake | Movie |
| A Scream in the Dark | 1943 | Landlord (uncredited) | Movie |
| City Without Men | 1943 | Prison Warden (uncredited) | Movie |
| Murder on the Waterfront | 1943 | Capt. David Towne | Movie |
| Truck Busters | 1943 | Stephen S. Gray (uncredited) | Movie |
| Calaboose | 1943 | Sheriff George Lane (as William Davidson) | Movie |
| Over the Wall | 1943 | Warden Ed | Short Film |
| Gentleman Jim | 1942 | Donovan (uncredited) | Movie |
| In This Our Life | 1942 | Jim Purdy | Movie |
| Juke Girl | 1942 | Paley | Movie |
| Larceny, Inc. | 1942 | McCarthy | Movie |
| Tennessee Johnson | 1942 | Vice President Breckenridge (uncredited) | Movie |
| The Magnificent Dope | 1942 | Mr. Reindel | Movie |
| The Male Animal | 1942 | Alumnus | Movie |
| Yankee Doodle Dandy | 1942 | New York Stage Manager (uncredited) | Movie |
| A Gentleman at Heart | 1942 | Tiny (uncredited) | Movie |
| Over My Dead Body | 1942 | Crole (as William Davidson) | Movie |
| The Affairs of Jimmy Valentine | 1942 | Cyrus Ballard | Movie |
| The Affairs of Martha | 1942 | Homer Jacell | Movie |
| Careful, Soft Shoulders | 1942 | Mr. Aldrich | Movie |
| Hold That Ghost | 1941 | Moose Matson (as William Davidson) | Movie |
| In the Navy | 1941 | Capt. Richards (uncredited) | Movie |
| Keep 'Em Flying | 1941 | Gonigle (as William Davidson) | Movie |
| Man Made Monster | 1941 | District Attorney Ralph B. Stanley (as William Davidson) | Movie |
| Nice Girl? | 1941 | Man with Van Dyke (uncredited) | Movie |
| Remember the Day | 1941 | Committeeman (uncredited) | Movie |
| Sun Valley Serenade | 1941 | Murray (as William Davidson) | Movie |
| The Great Man's Lady | 1941 | Sen. Knobs | Movie |
| Week-End in Havana | 1941 | Captain Moss (as William Davidson) | Movie |
| Highway West | 1941 | Gorman | Movie |
| The Lady from Cheyenne | 1941 | Nye Dunbar (as William Davidson) | Movie |
| Thieves Fall Out | 1941 | Harry Eckles (as William Davidson) | Movie |
| Three Girls About Town | 1941 | Labor Leader (uncredited) | Movie |
| Three Sons o' Guns | 1941 | Baxter (as William Davidson) | Movie |
| Uncle Joe | 1941 | J. K. Day | Movie |
| We Go Fast | 1941 | Nightclub Manager (uncredited) | Movie |
| Lillian Russell | 1940 | President Cleveland (as William Davidson) | Movie |
| My Little Chickadee | 1940 | Sheriff of Little Bend (uncredited) | Movie |
| My Love Came Back | 1940 | Agent (as William Davidson) | Movie |
| Seven Sinners | 1940 | Police Chief (as William Davidson) | Movie |
| 3 Cheers for the Irish | 1940 | Police Commissioner (as William Davidson) | Movie |
| Tin Pan Alley | 1940 | Hotel Manager | Movie |
| Florian | 1940 | Archduke Franz Ferdinand | Movie |
| Girl in 313 | 1940 | George Grayson | Movie |
| Granny Get Your Gun | 1940 | Fitzgerald (as William Davidson) | Movie |
| Half a Sinner | 1940 | Slick Capasco | Movie |
| Hired Wife | 1940 | Mumford (as William Davidson) | Movie |
| Lady with Red Hair | 1940 | Stock Company Manager (uncredited) | Movie |
| Maryland | 1940 | John Addison (uncredited) | Movie |
| On Their Own | 1940 | Judge Bull | Movie |
| San Francisco Docks | 1940 | District Attorney R.L. Craig (as William Davidson) | Movie |
| Charter Pilot | 1940 | Wentword (uncredited) | Movie |
| A Night at Earl Carroll's | 1940 | Mayor Green of San Bernardino | Movie |
| Sailor's Lady | 1940 | Judge Hinsdale | Movie |
| Sandy Gets Her Man | 1940 | Councilman Charles J. Clark (as William Davidson) | Movie |
| Blackwell's Island | 1939 | Hempel (uncredited) | Movie |
| Blondie Meets the Boss | 1939 | Elderly Man in Café (uncredited) | Movie |
| Dust Be My Destiny | 1939 | Warden (as William Davidson) | Movie |
| Each Dawn I Die | 1939 | Bill Mason (as William Davidson) | Movie |
| Honeymoon in Bali | 1939 | Store Detective | Movie |
| Invisible Stripes | 1939 | Montgomery (uncredited) | Movie |
| Naughty But Nice | 1939 | Sam' Hudson (as Bill Davidson) | Movie |
| Tail Spin | 1939 | Sales Manager (uncredited) | Movie |
| They Made Me a Criminal | 1939 | Chief Insp. Ennis (as William Davidson) | Movie |
| Three Smart Girls Grow Up | 1939 | Stock Broker (uncredited) | Movie |
| When Tomorrow Comes | 1939 | Army Captain (uncredited) | Movie |
| Indianapolis Speedway | 1939 | Duncan Martin (as William Davidson) | Movie |
| On Trial | 1939 | Mr. Gray (as William Davidson) | Movie |
| Private Detective | 1939 | Inspector Evans (as William Davidson) | Movie |
| Smashing the Money Ring | 1939 | Warden Denby (as William Davidson) | Movie |
| Hidden Power | 1939 | Foster | Movie |
| The Honeymoon's Over | 1939 | Crane | Movie |
| Off the Record | 1939 | Scotty | Movie |
| Sudden Money | 1939 | Sam | Movie |
| Blockade | 1938 | Commandant (as Wm. B. Davidson) | Movie |
| Cowboy from Brooklyn | 1938 | Mr. Alvey (as William Davidson) | Movie |
| Letter of Introduction | 1938 | Mr. Raleigh (uncredited) | Movie |
| Racket Busters | 1938 | Manhatten Trucking Chairman (uncredited) | Movie |
| The Texans | 1938 | Mr. Jessup - Railroad Man (uncredited) | Movie |
| There Goes My Heart | 1938 | Skipper Jackson (uncredited) | Movie |
| You and Me | 1938 | N. G. Orton - Attorney-at-Law (uncredited) | Movie |
| Cocoanut Grove | 1938 | Hawtrey (uncredited) | Movie |
| Happy Landing | 1938 | Manager (uncredited) | Movie |
| Sergeant Murphy | 1938 | Major Gruff (uncredited) | Movie |
| Illegal Traffic | 1938 | Dalton | Movie |
| The Jury's Secret | 1938 | Page | Movie |
| Mr. Doodle Kicks Off | 1938 | Ellory Bugs - Jimmie's Father | Movie |
| Easy Living | 1937 | Mr. Hyde | Movie |
| Ever Since Eve | 1937 | Henderson (as William Davidson) | Movie |
| Hollywood Hotel | 1937 | Director Kelton (as William Davidson) | Movie |
| Marked Woman | 1937 | Crandall | Movie |
| Midnight Court | 1937 | Alfred H. Kruger (as William Davidson) | Movie |
| Paradise Isle | 1937 | Hoener | Movie |
| Something to Sing About | 1937 | Mr. Richards (as William Davidson) | Movie |
| The Hurricane | 1937 | Abusive Drunk (uncredited) | Movie |
| The Road Back | 1937 | Bartscher | Movie |
| Affairs of Cappy Ricks | 1937 | Waldo P. Bottomly Sr. | Movie |
| It Happened in Hollywood | 1937 | Al Howard | Movie |
| Love on Toast | 1937 | Jonathan | Movie |
| Marry the Girl | 1937 | Drake (as William Davidson) | Movie |
| Melody for Two | 1937 | Mr. Hale (uncredited) | Movie |
| Behind the Mike | 1937 | Cyrus Wittles | Movie |
| Let Them Live | 1937 | The Editor | Movie |
| Earthworm Tractors | 1936 | Mr. Jackson (as William Davidson) | Movie |
| Gold Diggers of 1937 | 1936 | Andy Callahan (as Wm. Davidson) | Movie |
| Satan Met a Lady | 1936 | City Fathers Committee Spokesman (uncredited) | Movie |
| The Singing Kid | 1936 | Barney Hammond (as Wm. Davidson) | Movie |
| Love on a Bet | 1936 | A.W. Hutchinson (uncredited) | Movie |
| The Big Noise | 1936 | Welford Andrews (as William Davidson) | Movie |
| Fatal Lady | 1936 | Detective (uncredited) | Movie |
| Murder by an Aristocrat | 1936 | Bayard Thatcher (as William Davidson) | Movie |
| Road Gang | 1936 | Atty. Gen. Marsden (as William Davidson) | Movie |
| You May Be Next! | 1936 | Official (uncredited) | Movie |
| Mind Your Own Business | 1936 | Undetermined Supporting Role (scenes deleted) | Movie |
| Bordertown | 1935 | Dr. Carter (as William Davidson) | Movie |
| Dangerous | 1935 | Reed Walsh (as William Davidson) | Movie |
| Devil Dogs of the Air | 1935 | Adjutant (as William Davidson) | Movie |
| Go Into Your Dance | 1935 | Tom McGee (as William Davidson) | Movie |
| In Person | 1935 | Director Bill Sutter (uncredited) | Movie |
| Roberta | 1935 | Ship's Officer (uncredited) | Movie |
| Special Agent | 1935 | Charlie Young (as William Davidson) | Movie |
| The Crusades | 1935 | Amir (uncredited) | Movie |
| The Woman in Red | 1935 | Mr. Goodyear - Guest on Yacht (uncredited) | Movie |
| Bright Lights | 1935 | The Ventriloquist (uncredited) | Movie |
| Oil for the Lamps of China | 1935 | E.H. Swaley (as William Davidson) | Movie |
| Show Them No Mercy! | 1935 | Chief Haggerty (as William Davidson) | Movie |
| Sweet Music | 1935 | Billy Madison (as William Davidson) | Movie |
| Woman Wanted | 1935 | Collins | Movie |
| Death Flies East | 1935 | Captain Daniel J. Barrie (uncredited) | Movie |
| A Night at the Ritz | 1935 | Connolly, an Editor (as William Davidson) | Movie |
| Redheads on Parade | 1935 | Theatre Manager (uncredited) | Movie |
| Straight from the Heart | 1935 | Prosecuting Attorney | Movie |
| Easy to Love | 1934 | Dr. Donald W. Swope (uncredited) | Movie |
| Fog Over Frisco | 1934 | Joe Hogue - Editor (as William Davidson) | Movie |
| Housewife | 1934 | Nan's Lawyer (uncredited) | Movie |
| Imitation of Life | 1934 | Man Buying Cigar (uncredited) | Movie |
| The Big Shakedown | 1934 | District Attorney (uncredited) | Movie |
| The Dragon Murder Case | 1934 | Greeff (as William Davidson) | Movie |
| The Man Who Reclaimed His Head | 1934 | Charles (as William Davidson) | Movie |
| The Secret Bride | 1934 | Representative McPherson (as William Davidson) | Movie |
| The St. Louis Kid | 1934 | Joe Hunter (as William Davidson) | Movie |
| Twenty Million Sweethearts | 1934 | Bill - Manager of Woodcliff Inn (uncredited) | Movie |
| Friends of Mr. Sweeney | 1934 | Stephen Prime (as William Davidson) | Movie |
| Laughing Boy | 1934 | George Hartshorne (as William Davidson) | Movie |
| Massacre | 1934 | Sen. Beale (uncredited) | Movie |
| Midnight Alibi | 1934 | Nick - Angie's Henchman (uncredited) | Movie |
| Success at Any Price | 1934 | Ryan - Private Detective (uncredited) | Movie |
| The Lemon Drop Kid | 1934 | Police Captain (uncredited) | Movie |
| Upperworld | 1934 | City Editor (uncredited) | Movie |
| Female | 1933 | Department Head (uncredited) | Movie |
| I'm No Angel | 1933 | The Chump Ernest Brown (as Wm. B. Davidson) | Movie |
| Lady Killer | 1933 | Director Williams (as William Davidson) | Movie |
| Meet the Baron | 1933 | General Broadcasting Representative | Movie |
| Mystery of the Wax Museum | 1933 | Detective (uncredited) | Movie |
| Only Yesterday | 1933 | | Movie |
| Sitting Pretty | 1933 | Film Director (uncredited) | Movie |
| Torch Singer | 1933 | Jarrett (uncredited) | Movie |
| Hello, Everybody! | 1933 | Mr. Parker | Movie |
| The Intruder | 1933 | Det. Lt. Samson | Movie |
| Billion Dollar Scandal | 1933 | Lawrence | Movie |
| Dangerously Yours | 1933 | George Carr | Movie |
| Scarface | 1932 | Citizens Committee Member (uncredited) | Movie |
| Sky Devils | 1932 | Captain | Movie |
| The Animal Kingdom | 1932 | Grace's Husband (uncredited) | Movie |
| The Lost Squadron | 1932 | Lelewer (as William Davidson) | Movie |
| The Menace | 1932 | John Utterson (as William Davidson) | Movie |
| The Most Dangerous Game | 1932 | Captain (as William Davidson) | Movie |
| The Thirteenth Guest | 1932 | Police Capt. Brown (uncredited) | Movie |
| Central Park | 1932 | Police Lieutenant (uncredited) | Movie |
| Is My Face Red? | 1932 | O'Sullivan - Managing Editor (uncredited) | Movie |
| Madison Sq. Garden | 1932 | Head, MSG Board of Directors (uncredited) | Movie |
| Scandal for Sale | 1932 | Banker Mason (uncredited) | Movie |
| The Sport Parade | 1932 | Kendricks (uncredited) | Movie |
| Guilty as Hell | 1932 | Governor (uncredited) | Movie |
| Guilty or Not Guilty | 1932 | Chief | Movie |
| Her Mad Night | 1932 | District Attorney | Movie |
| The Pride of the Legion | 1932 | Police Sgt. Arnold | Movie |
| Dishonored | 1931 | 2nd Firing Squad Officer (uncredited) | Movie |
| No Limit | 1931 | Wilkie (building superintendent) | Movie |
| The Vice Squad | 1931 | Magistrate Tom Morrison | Movie |
| Captain Applejack | 1931 | Bill Dennett (as William Davidson) | Movie |
| Graft | 1931 | M.H. Thomas | Movie |
| Half Holiday | 1931 | Jerry - Ed's Pal (as William Davidson) | Short Film |
| The Secret Call | 1931 | Jim Blake | Movie |
| Windy Riley Goes Hollywood | 1931 | | Short Film |
| Hell's Angels | 1930 | Staff Major | Movie |
| The Silver Horde | 1930 | Tom Hilliard (as William Davidson) | Movie |
| A Man from Wyoming | 1930 | Major | Movie |
| Common Clay | 1930 | Sympathetic Judge (uncredited) | Movie |
| For the Defense | 1930 | District Attorney Herbert L. Stone | Movie |
| Hook Line and Sinker | 1930 | Frank Dukette (as William Davidson) | Movie |
| Men Are Like That | 1930 | Frank Hyland | Movie |
| Oh, for a Man! | 1930 | Kerry Stokes (uncredited) | Movie |
| Sunny | 1930 | First Ship's Officer (uncredited) | Movie |
| Playboy of Paris | 1930 | Monsieur Bannack (uncredited) | Movie |
| The Costello Case | 1930 | Saunders (as William Davidson) | Movie |
| Czar of Broadway | 1930 | Club Manager (uncredited) | Movie |
| Fat Wives for Thin | 1930 | Bill Gilmore | Short Film |
| Letters | 1930 | | Short Film |
| Scarlet Pages | 1930 | Jackson (as William Davidson) | Movie |
| Queen of the Night Clubs | 1929 | Assistant District Attorney (as William Davidson) | Movie |
| Woman Trap | 1929 | Watts | Movie |
| Ain't It the Truth | 1929 | Mr. Barefax | Short Film |
| Always Faithful | 1929 | George W. Mason | Short Film |
| Blaze o' Glory | 1929 | District Attorney (as William Davidson) | Movie |
| Painted Faces | 1929 | Ringmaster (uncredited) | Movie |
| The Carnation Kid | 1929 | Blythe | Movie |
| The Noose | 1928 | Bill Chase (uncredited) | Movie |
| Good Morning, Judge | 1928 | Elton (as William Davidson) | Movie |
| Sharp Tools | 1928 | | Short Film |
| The Gaucho | 1927 | Undetermined Secondary Role (uncredited) | Movie |
| The Cradle Snatchers | 1927 | Roy Ladd | Movie |
| A Gentleman of Paris | 1927 | Henri Dufour | Movie |
| Lash, The | 1927 | Inspector Nolan (as William Davidson) | Short Film |
| The Last Trail | 1927 | Kurt Morley (as William Davidson) | Movie |
| Love Makes 'Em Wild | 1927 | Mamie's Ex-husband | Movie |
| Tennis Wizard, The | 1926 | Archie Foote | Short Film |
| Hearts and Spurs | 1925 | Victor Dufresne | Movie |
| Recompense | 1925 | Col. Donovan | Movie |
| Women and Gold | 1925 | Señor Ortego (as William Davidson) | Movie |
| All Abroad | 1925 | Elliot | Short Film |
| Business Engagement, A | 1925 | Elliott (as Bill Davidson) | Short Film |
| Ports of Call | 1925 | Randolph Sherman (as William Davidson) | Movie |
| The Storm Daughter | 1924 | Rennert (First Mate [mutineer]) | Movie |
| Adam and Eva | 1923 | Dr. Delamater | Movie |
| Salomy Jane | 1923 | Gambler (as William Davidson) | Movie |
| Destiny's Isle | 1922 | Lazus | Movie |
| Dumb Bell, The | 1922 | | Short Film |
| Nobody | 1921 | John Rossmore | Movie |
| Conceit | 1921 | William Crombie | Movie |
| The Girl from Nowhere | 1921 | Jimmy Ryder | Movie |
| Partners of the Night | 1920 | Robert Clifford | Movie |
| A Child for Sale | 1920 | Dr. Gordon (as William Davidson) | Movie |
| The Valley of Doubt | 1920 | Macy | Movie |
| A Woman There Was | 1919 | Rev. Winthrop Stark | Movie |
| La belle Russe | 1919 | Brand | Movie |
| The Capitol | 1919 | Congressman Blake | Movie |
| The Gold Cure | 1919 | Michael Darcy | Movie |
| Impossible Catherine | 1919 | John Henry Jackson | Movie |
| The Lure of Ambition | 1919 | Hon. Cyril Ralston | Movie |
| Our Little Wife | 1918 | Dr. Elliott | Movie |
| Ashes of Love | 1918 | | Movie |
| Friend Husband | 1918 | John Sparr (as William Davidson) | Movie |
| In Pursuit of Polly | 1918 | Larry O'Malley | Movie |
| The Other Woman | 1918 | Undetermined Role | Movie |
| The Whirlpool | 1918 | Arthur Hallam | Movie |
| Why I Would Not Marry | 1918 | Undetermined Role | Movie |
| Why I Should Not Marry | 1918 | | Movie |
| The Call of Her People | 1917 | Nicholas Van Kleet | Movie |
| The Greatest Power | 1917 | John Conrad | Movie |
| Lady Barnacle | 1917 | Krishna Dhwaj | Movie |
| The Lifted Veil | 1917 | Malcolm Grant | Movie |
| A Modern Cinderella | 1917 | | Movie |
| More Truth Than Poetry | 1917 | Allen Danby | Movie |
| Persuasive Peggy | 1917 | Ed Trowbridge | Movie |
| The White Raven | 1917 | The Stranger | Movie |
| A Magdalene of the Hills | 1917 | Bud Weaver | Movie |
| American Maid | 1917 | David Starr | Movie |
| Her Second Husband | 1917 | John Kirby | Movie |
| Mary Lawson's Secret | 1917 | Dr. Brundage (as William Davidson) | Movie |
| Thou Art the Man | 1916 | Khitmatgar | Movie |
| Her Debt of Honor | 1916 | John Hartfield (as William Davidson) | Movie |
| In the Diplomatic Service | 1916 | Lynn Hardi (as William Davidson) | Movie |
| Price of Malice, The | 1916 | Capt. Mills (as William Davidson) | Movie |
| The Child of Destiny | 1916 | Calvin Baker (as William Davidson) | Movie |
| Dorian's Divorce | 1916 | Henry Morgan (as William Davidson) | Movie |
| The Pretenders | 1916 | Joseph Bailey (as William Davidson) | Movie |
| For the Honor of the Crew | 1915 | Robert Brent | Short Film |
| A Yellow Streak | 1915 | Jack Rader (as William Davidson) | Movie |
