Credits

• 1969 · From Nashville With Music as Arnold
• 1968 · How to Steal the World as Alexander Waverly
• 1968 · The Helicopter Spies as Alexander Waverly
• 1968 · The Movie Orgy as Self (archive footage)
• 1967 · Rowan & Martin's Laugh-In as Self
• 1967 · The Karate Killers as Alexander Waverly
• 1967 · Ironside as Trevor Winthrop
• 1967 · The Spy in the Green Hat as Alexander Waverly
• 1966 · One of Our Spies Is Missing as Alexander Waverly
• 1966 · The Girl from U.N.C.L.E. as Alexander Waverly
• 1966 · One Spy Too Many as Alexander Waverly
• 1965 · That Funny Feeling as O'Shea
• 1965 · The Spy with My Face as Alexander Waverly
• 1964 · The Man from U.N.C.L.E. as Alexander Waverly
• 1963 · The Prize as Bertil Jacobsson
• 1962 · Going My Way as Father Fitzgibbon
• 1961 · Hazel as Cady
• 1961 · 1+1: Exploring The Kinsey Reports as Prof. Logan
• 1961 · Kraft Mystery Theatre as
• 1961 · The Parent Trap as Rev. Dr. Mosby
• 1960 · Thriller as Major Downey
• 1959 · North by Northwest as Professor
• 1958 · Shirley Temple's Storybook as
• 1956 · The Swan as Caesar
• 1955 · Tarantula as Prof. Gerald Deemer
• 1955 · Matinee Theater as
• 1955 · Alfred Hitchcock Presents as Professor (archive footage) (uncredited)
• 1955 · We're No Angels as Felix Ducotel
• 1953 · Topper as
• 1953 · Young Bess as Mr. Mums
• 1953 · Rogue's March as Col. Henry Lenbridge
• 1953 · Treasure of the Golden Condor as Raoul Dondel
• 1952 · The Bad and the Beautiful as Henry Whitfield
• 1952 · The Snows of Kilimanjaro as Uncle Bill Swift
• 1952 · Cavalcade of America as William Penn
• 1951 · The Desert Fox: The Story of Rommel as Field Marshal Gerd von Rundstedt
• 1951 · Strangers on a Train as Sen. Morton
• 1951 · The First Legion as Father Rector Paul Duquesne
• 1950 · The Happy Years as Mr. Hopkins
• 1950 · Father of the Bride as Mr. Massoula
• 1948 · Enchantment as Proutie
• 1948 · Studio One as
• 1948 · Studio One as Bellingham
• 1948 · Studio One as Very Rev. Thomas Canon Skerritt
• 1948 · The Philco Television Playhouse as Professor White
• 1948 · The Philco Television Playhouse as Duncan
• 1948 · The Philco Television Playhouse as Father Moynihan
• 1948 · So Evil My Love as Jarvis
• 1947 · The Paradine Case as Sir Joseph
• 1947 · Forever Amber as Matt Goodgroome
• 1947 · Song of Love as Professor Wieck
• 1947 · Time Out of Mind as Capt. Fortune
• 1945 · Spellbound as Dr. Murchison
• 1945 · The House on 92nd Street as Col. Hammersohn
• 1941 · Bahama Passage as Delbridge
• 1941 · Suspicion as Captain George Melbeck
• 1941 · This Woman Is Mine as Angus 'Sandy' McKay
• 1941 · Scotland Yard as Craven
• 1940 · Waterloo Bridge as Policeman (uncredited)
• 1940 · Charlie Chan's Murder Cruise as Professor Gordon
• 1940 · Rebecca as Dr. Baker
• 1939 · Tower of London as Lord Hastings
• 1939 · City in Darkness as Louis Santelle
• 1939 · The Private Lives of Elizabeth and Essex as Sir Edward Coke
• 1939 · Wuthering Heights as Joseph
• 1939 · Bulldog Drummond's Secret Police as Henry Seaton
• 1938 · A Christmas Carol as Marley's Ghost
• 1937 · London by Night as Correy
• 1937 · Captains Courageous as Burns (uncredited)
• 1935 · The Casino Murder Case as Smith
• 1935 · Murder on a Honeymoon as Joseph B. Tate
• 1935 · The Right to Live as Dr. Harvester
• 1935 · Clive of India as Mr. Manning
• 1934 · Outcast Lady as Dr. Masters
• 1934 · The Barretts of Wimpole Street as Dr. Ford-Waterlow
• 1934 · Stamboul Quest as Kruger, #117 aka Bertram Church (uncredited)
• 1934 · Sadie McKee as Brennan's Butler Phelps
• 1934 · Mr. W's Little Game as George the waiter