| Mary Poppins | 1964 | Mr. Tomes (uncredited) | Movie |
| Daniel Boone | 1964 | Major | TV Show |
| The Rogues | 1964 | Bailiff | TV Show |
| The Prize | 1963 | BBC News Correspondent (uncredited) | Movie |
| The Alfred Hitchcock Hour | 1962 | Walter Dunham | TV Show |
| The Beverly Hillbillies | 1962 | Mr. Fleming Pendleton | TV Show |
| The Lucy Show | 1962 | Lord Van Cleve | TV Show |
| By Love Possessed | 1961 | Club Patron (uncredited) | Movie |
| The Young Savages | 1961 | Dr. Androtti (uncredited) | Movie |
| Hazel | 1961 | Reginald Archibald | TV Show |
| Ripcord | 1961 | Hugh Olds | TV Show |
| King of Diamonds | 1961 | Inspector Andrews / Inspector | TV Show |
| Song Without End | 1960 | Emissary of the Grand Duchess (uncredited) | Movie |
| Walk Like a Dragon | 1960 | Peter Mott | Movie |
| Angel | 1960 | Charles | TV Show |
| Pete and Gladys | 1960 | | TV Show |
| Surfside 6 | 1960 | Inspector Campbell | TV Show |
| Coronado 9 | 1960 | Maj. Durham / Tony Wingate | TV Show |
| Johnny Midnight | 1960 | Mark DeVinney | TV Show |
| The Miracle | 1959 | Capt. John Boulting | Movie |
| One Step Beyond | 1959 | Civil Defense Man / Prison Governor | TV Show |
| Bonanza | 1959 | Forrester | TV Show |
| Philip Marlowe | 1959 | Stephen Florea | TV Show |
| Rawhide | 1959 | Larkins | TV Show |
| 21 Beacon Street | 1959 | Alfred Harrison | TV Show |
| The Dennis O'Keefe Show | 1959 | Sylverster Barnes | TV Show |
| This Man Dawson | 1959 | | TV Show |
| Markham | 1959 | Van Elder | TV Show |
| 77 Sunset Strip | 1958 | Pillsbury / Mr. Craythrope / Inspector T. Carnahan | TV Show |
| The Ann Sothern Show | 1958 | Mr. Bartley | TV Show |
| Yancy Derringer | 1958 | Jerrison Ames | TV Show |
| Behind Closed Doors | 1958 | Colonel Brookston | TV Show |
| Slander | 1957 | Frank Grover (uncredited) | Movie |
| Something of Value | 1957 | Game Warden (uncredited) | Movie |
| Bachelor Father | 1957 | Mr. Harcourt / Philip Harcourt | TV Show |
| How to Marry a Millionaire | 1957 | Conway | TV Show |
| Richard Diamond, Private Detective | 1957 | Frank Grace | TV Show |
| The O. Henry Playhouse | 1957 | Mercedes Fairchild | TV Show |
| Playhouse 90 | 1956 | Colonel McKinley | TV Show |
| Telephone Time | 1956 | Supply Minister | TV Show |
| The Adventures of Dr. Fu Manchu | 1956 | Sir Dennis Nayland Smith | TV Show |
| Flame of the Islands | 1956 | Gus | Movie |
| Moonfleet | 1955 | Major Hennishaw | Movie |
| Ten Wanted Men | 1955 | Adam Stewart | Movie |
| The Far Horizons | 1955 | Mr. Hancock | Movie |
| The Seven Little Foys | 1955 | Father O'Casey (uncredited) | Movie |
| Casablanca | 1955 | Col. Masters | TV Show |
| Crossroads | 1955 | Dr. Ashley / Salmon P. Chase / Rev. John Schwan | TV Show |
| Soldiers of Fortune | 1955 | Carrigan | TV Show |
| The Star and the Story | 1955 | | TV Show |
| Celebrity Playhouse | 1955 | | TV Show |
| Désirée | 1954 | Caulaincourt (uncredited) | Movie |
| King Richard and the Crusaders | 1954 | Archbishop of Tyre / Narrator | Movie |
| Climax! | 1954 | Dr. Fincannon | TV Show |
| Father Knows Best | 1954 | Major Alden | TV Show |
| The Lineup | 1954 | Walter Smith | TV Show |
| The Public Defender | 1954 | Ben Pearce / Mr. Harrington | TV Show |
| Charge of the Lancers | 1954 | Gen. Stanhope | Movie |
| Jungle Man-Eaters | 1954 | Comm. Kingston | Movie |
| Passport to Danger | 1954 | U.S. Consul Charlie Edmunds | TV Show |
| Adventures of the Falcon | 1954 | Preston Andrews | TV Show |
| Bad for Each Other | 1953 | Dr. Homer Gleeson | Movie |
| Fort Ti | 1953 | Lord Jeffrey Amherst (uncredited) | Movie |
| Man in the Attic | 1953 | Chief Insp. Melville (as Lester Mathews) | Movie |
| Niagara | 1953 | Doctor (uncredited) | Movie |
| The Desert Rats | 1953 | Foreign Secretary (uncredited) | Movie |
| Trouble Along the Way | 1953 | Cardinal O'Shea | Movie |
| Young Bess | 1953 | Sir William Paget | Movie |
| The Pepsi-Cola Playhouse | 1953 | Archibald Palmerston | TV Show |
| You Are There | 1953 | Sir Joseph Banks / Ganzel | TV Show |
| Jamaica Run | 1953 | Judge | Movie |
| Rogue's March | 1953 | Brigadier General | Movie |
| Sangaree | 1953 | Gen. Victor Darby | Movie |
| Savage Mutiny | 1953 | Major Walsh | Movie |
| 5 Fingers | 1952 | Undersecretary (uncredited) | Movie |
| Against All Flags | 1952 | Sir Cloudsley | Movie |
| Captain Pirate | 1952 | Col. Ramsey | Movie |
| Les Miserables | 1952 | Mentou Sr. (uncredited) | Movie |
| Stars and Stripes Forever | 1952 | Mr. Pickering (uncredited) | Movie |
| Cavalcade of America | 1952 | | TV Show |
| My Little Margie | 1952 | Attorney Burton / Mr. Patterson | TV Show |
| Omnibus | 1952 | The Chief (segment "The Horn Blows at Midnight") | TV Show |
| The Ford Television Theatre | 1952 | Colonel Peter Tilletson / Carlton | TV Show |
| Jungle Jim in the Forbidden Land | 1952 | Commissioner Kingston | Movie |
| Lady in the Iron Mask | 1952 | Prime Minister Rochard | Movie |
| Operation Secret | 1952 | Robbins | Movie |
| The Brigand | 1952 | Dr. Lopez | Movie |
| Anne of the Indies | 1951 | Wherryman (uncredited) | Movie |
| Lorna Doone | 1951 | King Charles II | Movie |
| The Desert Fox: The Story of Rommel | 1951 | British Officer (uncredited) | Movie |
| The Red Skelton Hour | 1951 | Sylvester | TV Show |
| Corky of Gasoline Alley | 1951 | Ellis (uncredited) | Movie |
| Tales of Robin Hood | 1951 | Sir Hugh Fitzwalter | Movie |
| The Lady and the Bandit | 1951 | Ridgely - Joyce's Interrogator (uncredited) | Movie |
| The Son of Dr. Jekyll | 1951 | Sir John Utterson | Movie |
| Montana | 1950 | George Forsythe | Movie |
| Rogues of Sherwood Forest | 1950 | Alan-A-Dale | Movie |
| Lux Video Theatre | 1950 | John Hillgrove | TV Show |
| Racket Squad | 1950 | Ben Milford | TV Show |
| The George Burns and Gracie Allen Show | 1950 | Mr. Fortune / Mr. Buzby / Professor Hopkins / ... | TV Show |
| The Jack Benny Program | 1950 | Referee / Sponsor | TV Show |
| Tyrant of the Sea | 1950 | Adm. Lord Horatio Nelson | Movie |
| Cameo Theatre | 1950 | | TV Show |
| Malaya | 1949 | Matisson (scenes deleted) | Movie |
| The Woman on Pier 13 | 1949 | Dr. Dixon (uncredited) | Movie |
| Fireside Theatre | 1949 | Brandt / Immigration Judge | TV Show |
| Free for All | 1949 | Mr. Aberson | Movie |
| Studio One in Hollywood | 1948 | the Attorney | TV Show |
| Fighting Father Dunne | 1948 | Archbishop John Joseph Glennon | Movie |
| Monsieur Verdoux | 1947 | Prosecutor (uncredited) | Movie |
| The Exile | 1947 | Robbins | Movie |
| The Paradine Case | 1947 | Police Inspector Ambrose (uncredited) | Movie |
| Addio Mimí! | 1947 | Fouquet | Movie |
| Banjo | 1947 | Gerald Warren (uncredited) | Movie |
| Dark Delusion | 1947 | Wyndham Grace | Movie |
| Bulldog Drummond at Bay | 1947 | Shannon Eskdale | Movie |
| Objective, Burma! | 1945 | British Maj. Fitzpatrick (uncredited) | Movie |
| Salty O'Rourke | 1945 | Salesman | Movie |
| Son of Lassie | 1945 | Major Elliston (uncredited) | Movie |
| I Love a Mystery | 1945 | Justin Reeves aka Mr. G | Movie |
| Jungle Queen | 1945 | Commissioner Braham Chatterton | Movie |
| Two O'Clock Courage | 1945 | Mark Evans | Movie |
| The Beautiful Cheat | 1945 | Farley | Movie |
| Between Two Worlds | 1944 | Steamship Dispatcher (uncredited) | Movie |
| Four Jills in a Jeep | 1944 | Capt. Lloyd (uncredited) | Movie |
| Ministry of Fear | 1944 | Dr. Norton at Lembridge Asylum (uncredited) | Movie |
| The Invisible Man's Revenge | 1944 | Sir Jasper Herrick | Movie |
| The Story of Dr. Wassell | 1944 | Dr. Ralph Wayne (uncredited) | Movie |
| Nine Girls | 1944 | Horace Canfield | Movie |
| Shadows in the Night | 1944 | Stanley Carter | Movie |
| Corvette K-225 | 1943 | British Captain (uncredited) | Movie |
| Northern Pursuit | 1943 | Colonel (uncredited) | Movie |
| Appointment in Berlin | 1943 | Air Marshal (uncredited) | Movie |
| London Blackout Murders | 1943 | Oliver Madison | Movie |
| The Mysterious Doctor | 1943 | Dr. Frederick Holmes | Movie |
| Tonight We Raid Calais | 1943 | English Maj. West | Movie |
| Two Tickets to London | 1943 | Treathcote (uncredited) | Movie |
| Across the Pacific | 1942 | Canadian Major | Movie |
| Desperate Journey | 1942 | Wing Commander | Movie |
| Manila Calling | 1942 | Wayne Ralston | Movie |
| Now, Voyager | 1942 | Captain (uncredited) | Movie |
| Son of Fury: The Story of Benjamin Blake | 1942 | Prosecutor | Movie |
| Sunday Punch | 1942 | Smith - Judy's Date (uncredited) | Movie |
| The Pied Piper | 1942 | Mr. Cavanaugh | Movie |
| Born to Sing | 1942 | Arthur Cartwright | Movie |
| A Yank in the R.A.F. | 1941 | Group Captain | Movie |
| Life Begins for Andy Hardy | 1941 | Mr. Eric J. Maddox (uncredited) | Movie |
| Man Hunt | 1941 | Major (uncredited) | Movie |
| Scotland Yard | 1941 | Dr. Gilbert (uncredited) | Movie |
| British Intelligence | 1940 | Henry Thompson (uncredited) | Movie |
| Northwest Passage | 1940 | Sam Livermore | Movie |
| The Biscuit Eater | 1940 | Mr. Ames | Movie |
| The Sea Hawk | 1940 | Guard Officer (uncredited) | Movie |
| Gaucho Serenade | 1940 | Frederick Willoughby | Movie |
| Sing, Dance, Plenty Hot | 1940 | Scott | Movie |
| The Lone Wolf Keeps a Date | 1940 | Mr. Lee | Movie |
| Women in War | 1940 | Sir Humphrey, Prosecuting attorney | Movie |
| Susannah of the Mounties | 1939 | Harlan Chambers | Movie |
| The Three Musketeers | 1939 | Duke of Buckingham | Movie |
| Conspiracy | 1939 | Gair - Henchman | Movie |
| Rulers of the Sea | 1939 | Lieut. Roberts | Movie |
| Should a Girl Marry? | 1939 | Dr. White | Movie |
| If I Were King | 1938 | General Saliere | Movie |
| Mysterious Mr. Moto | 1938 | Sir Charles Murchison | Movie |
| The Adventures of Robin Hood | 1938 | Sir Ivor | Movie |
| There's Always a Woman | 1938 | Walter Fraser | Movie |
| Three Loves Has Nancy | 1938 | Dr. Alonzo Z. Stewart | Movie |
| Time Out for Murder | 1938 | Uncle Phillip Gregory | Movie |
| I Am a Criminal | 1938 | District Attorney George Lane | Movie |
| Think It Over | 1938 | Ring Leader | Short Film |
| The Prince and the Pauper | 1937 | St. John | Movie |
| Lancer Spy | 1937 | Capt. Neville | Movie |
| Lloyd's of London | 1936 | Capt. Hardy | Movie |
| Thank You, Jeeves! | 1936 | Elliott Manville | Movie |
| Crack-Up | 1936 | Sidney Grant | Movie |
| Song and Dance Man | 1936 | C. B. Nelson | Movie |
| Too Many Parents | 1936 | Mark Stewart | Movie |
| Fifteen Maiden Lane | 1936 | Gilbert Lockhart | Movie |
| Tugboat Princess | 1936 | 1st Mate Bob | Movie |
| The Raven | 1935 | Dr. Jerry Halden (Credits) / Dr. Jerry Holden | Movie |
| Werewolf of London | 1935 | Paul Ames | Movie |
| Professional Soldier | 1935 | Prince Edric | Movie |
| Norah O'Neale | 1934 | Dermot Fitzgerald | Movie |
| April Blossoms | 1934 | Schwindt | Movie |
| Boomerang | 1934 | David Kennedy | Movie |
| Borrowed Clothes | 1934 | Sir Harry Torrent | Movie |
| Song at Eventide | 1934 | Lord Belsize | Movie |
| Called Back | 1933 | Gilbert Vaughan | Movie |
| Facing the Music | 1933 | Becker | Movie |
| The Melody-Maker | 1933 | Tony Borrodaile | Movie |
| Out of the Past | 1933 | Captain Leslie Farebrother | Movie |
| The Song You Gave Me | 1933 | Max Winter | Movie |
| The Stolen Necklace | 1933 | Clive Wingate | Movie |
| The Poisoned Diamond | 1933 | John Reader | Movie |
| Spy 77 | 1933 | Coloneilo Romanelli | Movie |
| She Was Only a Village Maiden | 1933 | Frampton | Movie |
| House of Dreams | 1933 | | Movie |
| The Indiscretions of Eve | 1932 | Ralph | Movie |
| Her Night Out | 1932 | Gerald Vickery | Movie |
| Fires of Fate | 1932 | Lt. Col Egerton | Movie |
| Carmen | 1932 | Zuniga | Movie |
| The Old Man | 1931 | Keith Keller | Movie |
| The Wickham Mystery | 1931 | Charles Wickham | Movie |
| The Limping Man | 1931 | Brian Nash | Movie |
| The Gables Mystery | 1931 | Campbell Edwards | Movie |
| The Lame Duck | 1931 | Captain Dallas | Short Film |
