| Cissie | 1959 | Papa | TV Movie |
| The Sheepman | 1958 | Town Loafer (uncredited) | Movie |
| Lawman | 1958 | Ike Jenkins / Ike - Townsman / Old Timer | TV Show |
| Lux Playhouse | 1958 | | TV Show |
| Man with a Camera | 1958 | Fenton | TV Show |
| Buckskin | 1958 | Harrison | TV Show |
| Short Cut to Hell | 1957 | Road Driver (uncredited) | Movie |
| M Squad | 1957 | Edwin Winkler | TV Show |
| Maverick | 1957 | Albert / Joe the Barber / Kibitzer / ... | TV Show |
| Sugarfoot | 1957 | Barber / Lew Long / Old Timer | TV Show |
| Tales of Wells Fargo | 1957 | Spoon / Flanny - Typesetter | TV Show |
| The Restless Gun | 1957 | Juniper Dunlap / Hotel Clerk | TV Show |
| Wagon Train | 1957 | Joe - Bartender / Old Timer | TV Show |
| The Big Caper | 1957 | Falkenburg (uncredited) | Movie |
| Come Next Spring | 1956 | Shorty Wilkins | Movie |
| Meet Me in Las Vegas | 1956 | Scotty (uncredited) | Movie |
| The Birds and the Bees | 1956 | Vendor (uncredited) | Movie |
| The Kettles in the Ozarks | 1956 | Townsman (uncredited) | Movie |
| State Trooper | 1956 | Dusty Peabody | TV Show |
| Abbott and Costello Meet the Keystone Kops | 1955 | Wagon Driver | Movie |
| Lucy Gallant | 1955 | Clem Anderson - Hotel Clerk (uncredited) | Movie |
| Alfred Hitchcock Presents | 1955 | Zack Martin / Piano Player / Tavern Customer / ... | TV Show |
| The Adventures of Champion | 1955 | Canary Twigg | TV Show |
| Annie Oakley | 1954 | Neighborly Walsh / Telegrapher Curly Dawes | TV Show |
| The Adventures of Rin Tin Tin | 1954 | Jorgenson | TV Show |
| The Mickey Rooney Show | 1954 | Henry | TV Show |
| The Stranger Wore a Gun | 1953 | Jake Hooper - Stage Driver (uncredited) | Movie |
| Those Redheads from Seattle | 1953 | Dan Taylor | Movie |
| Death Valley Days | 1952 | Pop McCrary | TV Show |
| My Little Margie | 1952 | Zeke | TV Show |
| The Blazing Forest | 1952 | Beans | Movie |
| Trail Guide | 1952 | Stammering Man (uncredited) | Movie |
| Boston Blackie | 1951 | Prof. Edgar Franklin | TV Show |
| Schlitz Playhouse | 1951 | Emil | TV Show |
| The Red Skelton Hour | 1951 | Sheriff | TV Show |
| Honeychile | 1951 | Bob | Movie |
| Big Town | 1950 | Ed Crowley | TV Show |
| The Cisco Kid | 1950 | Henry Wilson | TV Show |
| The Marshal of Gunsight Pass | 1950 | Deputy Roscoe | TV Show |
| Father's Wild Game | 1950 | Rancher | Movie |
| Hills of Oklahoma | 1950 | Dismal - the Cook | Movie |
| Inner Sanctum | 1948 | Willie | Movie |
| Black Hills | 1948 | Soapy Jones | Movie |
| The Westward Trail | 1948 | Soapy Jones | Movie |
| Check Your Guns | 1948 | Soapy Jones | Movie |
| Thunder in the Pines | 1948 | Wheezer - Boomer's Head Logger | Movie |
| Tornado Range | 1948 | Soapy Jones | Movie |
| The Tioga Kid | 1948 | Soapy Jones | Movie |
| The Hawk of Powder River | 1948 | Soapy Jones | Movie |
| Wild Country | 1947 | Soapy Jones | Movie |
| Range Beyond the Blue | 1947 | Soapy Jones | Movie |
| Shadow Valley | 1947 | Soapy Jones | Movie |
| West to Glory | 1947 | Soapy Jones | Movie |
| Colorado Serenade | 1946 | Soapy | Movie |
| Wild West | 1946 | Soapy Jones | Movie |
| Driftin' River | 1946 | Soapy Jones | Movie |
| Tumbleweed Trail | 1946 | Soapy Jones | Movie |
| Can't Help Singing | 1944 | Lemuel (uncredited) | Movie |
| The Great Moment | 1944 | Morton's Sign Painter - replaced by Hank Worden (uncredited) | Movie |
| The Palm Beach Story | 1942 | Fourth Member Ale and Quail Club (as Rosco Ates) | Movie |
| The Affairs of Jimmy Valentine | 1942 | Dan Kady | Movie |
| Bad Men of Missouri | 1941 | Lafe | Movie |
| Birth of the Blues | 1941 | Cab Driver (uncredited) | Movie |
| One Foot in Heaven | 1941 | George Reynolds (uncredited) | Movie |
| Sullivan's Travels | 1941 | Hollywood Diner Counterman (uncredited) | Movie |
| Ziegfeld Girl | 1941 | Janitor Changing Pictures (uncredited) | Movie |
| Robin Hood of the Pecos | 1941 | Jailer Guffy | Movie |
| She Knew All the Answers | 1941 | Gas Station Attendant | Movie |
| I'll Sell My Life | 1941 | Happy Hogan | Movie |
| Mountain Moonlight | 1941 | Gardener | Movie |
| Reg'lar Fellers | 1941 | Emory McQuade | Movie |
| Glove Affair | 1941 | Uncle Tom | Short Film |
| Captain Caution | 1940 | Chips | Movie |
| Chad Hanna | 1940 | Ike Wayfish | Movie |
| I Want a Divorce | 1940 | Process Server (uncredited) | Movie |
| Rancho Grande | 1940 | Tex | Movie |
| Untamed | 1940 | Bert Dillon | Movie |
| The Cowboy from Sundown | 1940 | Deputy Gloomy Day | Movie |
| You're Next | 1940 | Mr. Tillson (uncredited) | Short Film |
| Fireman, Save My Choo Choo | 1940 | Fireman | Short Film |
| Gone with the Wind | 1939 | Convalescent Soldier (uncredited) | Movie |
| Three Texas Steers | 1939 | Sheriff Brown (as Rosco Ates) | Movie |
| The Great Adventures of Wild Bill Hickok | 1938 | Oscar Snake-Eyes Smith (as Rosco Ates) | Movie |
| Riders of the Black Hills | 1938 | Sheriff Brown (as Rosco Ates) | Movie |
| God's Country and the Woman | 1937 | Gander Hopkins | Movie |
| Alpine Cabaret | 1937 | Elmer | Short Film |
| Drug Store Follies | 1937 | The Stuttering Comic | Short Film |
| Fair Exchange | 1936 | Elmer Goodge | Movie |
| The People's Enemy | 1935 | Slip Laflin | Movie |
| On the Wagon | 1935 | Elmer | Short Film |
| Why Pay Rent? | 1935 | Elmer Whipple | Short Film |
| Once Over Lightly | 1935 | | Short Film |
| Merry Wives of Reno | 1934 | The Trapper (as Rosco Ates) | Movie |
| Woman in the Dark | 1934 | Tommy Logan | Movie |
| She Made Her Bed | 1934 | Santa Fe (as Rosco Ates) | Movie |
| Dizzy & Daffy | 1934 | 'Call-'Em-Wrong' Jones, the Umpire | Short Film |
| So You Won't T-T-T-Talk | 1934 | Elmer Whipple | Short Film |
| Alice in Wonderland | 1933 | Fish | Movie |
| King Kong | 1933 | Press Photographer (uncredited) | Movie |
| Golden Harvest | 1933 | Louis Jenkins aka Loopey Lou | Movie |
| Lucky Devils | 1933 | Gabby (as Rosco Ates) | Movie |
| Scarlet River | 1933 | Ulysses Mope (as Rosco Ates) | Movie |
| The Cheyenne Kid | 1933 | Bush (as Rosco Ates) | Movie |
| The Past of Mary Holmes | 1933 | Bill-Poster Klondike | Movie |
| What-No Beer? | 1933 | Schultz (as Rosco Ates) | Movie |
| Freaks | 1932 | Roscoe (as Rosco Ates) | Movie |
| Young Bride | 1932 | Mike - Pool Hall Bartender (as Rosco Ates) | Movie |
| Come on Danger! | 1932 | Rusty (as Rosco Ates) | Movie |
| Hold 'Em Jail | 1932 | Slippery Sam Brown | Movie |
| Ladies of the Jury | 1932 | Andrew MacKaig (as Rosco Ates) | Movie |
| The Rainbow Trail | 1932 | Ike Wilkins | Movie |
| The Roadhouse Murder | 1932 | Edmund Joyce (as Rosco Ates) | Movie |
| Renegades of the West | 1932 | Dr. Henry Fawcett (as Rosco Ates) | Movie |
| Sham Poo, the Magician | 1932 | Tourist / Rosco (as Rosco Ates) | Short Film |
| Never the Twins Shall Meet | 1932 | Alfred Guppy / Albert Guppy | Short Film |
| Deported | 1932 | | Movie |
| A Free Soul | 1931 | Man Shot at in Men's Room (uncredited) | Movie |
| Cimarron | 1931 | Jesse Rickey (as Rosco Ates) | Movie |
| The Big Shot | 1931 | Rusty, the Barber (as Rosco Ates) | Movie |
| The Champ | 1931 | Sponge (as Rosco Ates) | Movie |
| Politics | 1931 | Peter Higgins (as Rosco Ates) | Movie |
| Reducing | 1931 | Stuttering Ticket Agent (uncredited) | Movie |
| The Great Lover | 1931 | Rosco (as Rosco Ates) | Movie |
| Too Many Cooks | 1931 | Mr. Wilson (as Rosco Ates) | Movie |
| Clean-Up on the Curb, A | 1931 | Rosco (as Rosco Ates) | Short Film |
| Gland Parade, The | 1931 | | Short Film |
| Use Your Noodle | 1931 | | Short Film |
| Lone Starved Ranger, The | 1931 | Rosco, the Stuttering Man (as Rosco Ates) | Short Film |
| She Went for a Tramp | 1931 | | Short Film |
| The Voice of Hollywood No. 7 (Second Series) | 1931 | | Short Film |
| Billy the Kid | 1930 | Old Stuff (as Rosco Ates) | Movie |
| Check and Double Check | 1930 | Brother Arthur (as Rosco Ates) | Movie |
| City Girl | 1930 | Reaper | Movie |
| Love in the Rough | 1930 | Proprietor (as Rosco Ates) | Movie |
| Soup to Nuts | 1930 | Pants Presser at Al's Tailor Shop (uncredited) | Movie |
| The Big House | 1930 | Putnam (as Rosco Ates) | Movie |
| Remote Control | 1930 | Stuttering Piccolo Player (uncredited) | Movie |
| Those Three French Girls | 1930 | Elmer (uncredited) | Movie |
| Caught Short | 1930 | Bit Part (uncredited) | Movie |
| Double Cross Roads | 1930 | Ticket Agent (uncredited) | Movie |
| Marianne | 1929 | Orderly (uncredited) | Movie |
| South Sea Rose | 1929 | Ship's Cook | Movie |
