Filmography
- Marie Antoinette (1938) (King Louis XVI)
- Major Barbara (1941) (Andrew Undershaft)
- The Foreman Went to France (1942) (Mayor Coutare of Bivary)
- The Young Mr. Pitt (1942) (Charles James Fox)
- The Ghosts of Berkeley Square (1947) (Gen. "Jumbo" Burlap)
- The African Queen (1951) (Reverend Samuel Sayer)
- Outcast of the Islands (1952) (Almayer)
- The Final Test (1953)
- The Story of Gilbert and Sullivan (1953) (W. S. Gilbert)
- Beat the Devil (1953) (Peterson)
- The Good Die Young (1954)
- The Rainbow Jacket (1954) (Lord Logan)
- Beau Brummell (1954) (King George III)
- The Adventures of Quentin Durward (1955) (Louis XI of France)
- Loser Takes All (1956)
- Around the World in Eighty Days (1956) (Ralph in the Reform Club)
- Law and Disorder (1958)
- The Sheriff of Fractured Jaw (1958)
- The Journey (1959)
- The Doctor's Dilemma (1959) (Sir Ralph Bloomfield-Bonington)
- The Battle of the Sexes (1959) (Robert MacPherson)
- Oscar Wilde (1960) (Oscar Wilde)
- The Young Ones with Cliff Richard (1961) (Hamilton Black)
- Go to Blazes (1962) (Arson Eddie)
- The Road to Hong Kong (1962) (Leader of the 3rd Echelon)
- The Old Dark House (1963) (Roderick Femm)
- Murder at the Gallop (1963) (Hector Enderby) (opposite Margaret Rutherford)
- Ladies Who Do (1963) (Colonel Whitforth)
- Take Her, She's Mine (1963) (Mr. Pope-Jones)
- Of Human Bondage (1964) (Dr. Jacobs)
- Topkapi (1964) (Cedric Page)
- Hot Enough for June (1964) (Colonel Cuncliffe)
- Genghis Khan (1965) (Emperor of China)
- Those Magnificent Men in Their Flying Machines (1965) (Lord Rawnsley)
- The Loved One (1965) (Sir Ambrose Ambercrombie)
- A Study in Terror (1965) (Mycroft Holmes)
- Life at the Top (1965) (Tiffield)
- The Alphabet Murders (aka The ABC Murders) (1965) (Captain Arthur Hastings)
- The Dot and the Line: A Romance in Lower Mathematics (1965) (Narrator)
- Hotel Paradiso (1966) (Henri Cotte)
- The Trygon Factor (1966)
- Way...Way Out (1966) (Harold Quonset)
- Hot Millions (1968) (Caesar Smith)
- Cromwell (1970) (The Earl of Manchester)
- When Eight Bells Toll (1971) (Uncle Arthur)
- Theatre of Blood (1973) (Meredith Merridew)
- Great Expectations (1974) (ITC TVM) (Uncle Pumblechook)
- The Blue Bird (1976) (Father Time)
- Who Is Killing the Great Chefs of Europe? (aka Too Many Chefs) (1978) (Max)
- The Human Factor (1979) (Dr Percival)
- Scavenger Hunt (1979) (Estate Lawyer)
- The Great Muppet Caper (1981) (British Gentlemen)
- The Old Men at the Zoo (1982) (BBC TV mini-series) (Lord Godmanchester)
- High Road to China (1983) (Bentik)
- Alice in Wonderland (1985) (CBS TV mini-series) (King of Hearts)
- "The Trouble with Spies" (1987) (Angus)
- Little Dorrit (1988) (Lord Decimus Barnacle)
Read more about this topic: Robert Morley