 | Joan Crawford: Always the Star (1996) as Self (archive footage) |
 | Preminger: Anatomy of a Filmmaker (1991) as actor 'Advise and 'Consent' (archive footage) (uncredited) |
 | Broadway's Dreamers: The Legacy of the Group Theatre (1989) as Self |
 | That's Entertainment, Part II (1976) as (archive footage) |
 | Hollywood: The Dream Factory (1972) as Self (archive footage) |
 | Brasileiros em Hollywood (1970) as Self (archive footage) |
 | Nobody Runs Forever (1968) as Ambassador Townsend |
 | Shadow Over Elveron (1968) as Barney Conners |
 | Mickey One (1965) as Rudy Lopp |
 | In Harm's Way (1965) as CINCPAC I |
| | The Making of A Movie (1965) as Self |
 | See How They Run (1964) as Baron Frood |
 | The Big Parade of Comedy (1964) as Gifford in 'Bombshell' (archive footage) |
 | La Bonne Soupe (1964) as John K. Montasy Jr |
 | Advise & Consent (1962) as The President |
 | Witchcraft: The Doll in Brambles (1961) as Your Host |
| | The Shape of the River (1960) as Mark Twain |
 | Bitter Heritage (1958) as Frank James |
 | Uncle Vanya (1957) as Dr. Mikhail Lvovich Astroff |
 | The Little Foxes (1956) as Horace |
 | Rendezvous in Black (1956) as Hugh Strickland |
 | Too Old for Dolls (1955) as Mike Ramsay |
 | Twelve Angry Men (1954) as Juror #3 |
 | Here Comes the Groom (1951) as Wilbur Stanley |
 | The Man on the Eiffel Tower (1949) as Johann Radek |
 | Without Honor (1949) as Dennis Williams |
 | Jigsaw (1949) as Howard Malloy |
 | Every Girl Should Be Married (1948) as Roger Sanford |
 | I Love Trouble (1948) as Stuart Bailey |
 | Her Husband's Affairs (1947) as William Weldon |
 | Honeymoon (1947) as David Flanner |
 | Lost Honeymoon (1947) as Johnny Gray |
 | Because of Him (1946) as Paul Taylor |
 | That Night with You (1945) as Paul Renaud |
 | Dark Waters (1944) as Dr. George Grover |
 | The Hour Before the Dawn (1944) as Jim Hetherton |
 | Phantom Lady (1944) as John 'Jack' Marlow |
 | True to Life (1943) as Fletcher Marvin |
 | His Butler's Sister (1943) as Charles Gerard |
 | The Voice That Thrilled the World (1943) as Self (segment 'Dangerous') (archive footage) |
 | Pilot #5 (1943) as George Braynor Collins |
 | Five Graves to Cairo (1943) as Cpl. John J. Bramble / Paul Davos |
 | The Wife Takes a Flyer (1942) as Christopher Reynolds |
 | Star Spangled Rhythm (1942) as John |
 | This Woman Is Mine (1941) as Robert Stevens |
 | She Knew All the Answers (1941) as Mark Willows |
 | Nice Girl? (1941) as Richard Calvert |
 | Trail of the Vigilantes (1940) as Kansas |
 | Fast and Furious (1939) as Joel Sloane |
 | The Girl Downstairs (1938) as Paul Wagner |
 | Three Loves Has Nancy (1938) as Robert 'Bob' Hanson |
 | Three Comrades (1938) as Otto Koster |
 | Screen Snapshots Series 17, No. 6 (1938) as Self |
 | Love Is a Headache (1938) as Peter Lawrence |
 | Man-Proof (1938) as Jimmy Kilmartin |
 | The Bride Wore Red (1937) as Giulio |
 | The Romance of Celluloid (1937) as Self (archive footage) |
 | Between Two Women (1937) as Allan Meighan |
 | They Gave Him a Gun (1937) as James 'Jimmy' Davis |
 | Quality Street (1937) as Dr. Valentine Brown |
 | Love on the Run (1936) as Barnabus Pells |
 | The Gorgeous Hussy (1936) as John H. Eaton |
 | Suzy (1936) as Terry |
 | The King Steps Out (1936) as Emperor Franz Josef |
 | The Unguarded Hour (1936) as Sir Alan Dearden |
 | Exclusive Story (1936) as Dick Parton |
 | Dangerous (1935) as Don Bellows |
 | Mutiny on the Bounty (1935) as Roger Byam |
 | No More Ladies (1935) as Jim 'Jimsy Boysie' Salston |
 | Reckless (1935) as Robert 'Bob' Harrison Jr. |
 | One New York Night (1935) as Foxhall Ridgeway |
 | The Lives of a Bengal Lancer (1935) as Forsythe |
 | Gentlemen Are Born (1934) as Bob Bailey |
 | Straight Is the Way (1934) as Benny |
 | The Girl from Missouri (1934) as T.R. Paige, Jr. |
 | The World Moves On (1934) as Richard Girard - 1825 / Richard Girard - 1914 |
 | Sadie McKee (1934) as Michael |
 | Moulin Rouge (1934) as Douglas Hall |
 | Dancing Lady (1933) as Tod Newton |
 | Bombshell (1933) as Gifford Middleton |
 | Stage Mother (1933) as Warren Foster |
 | The Stranger's Return (1933) as Guy Crane |
 | Midnight Mary (1933) as Tom |
 | Gabriel Over the White House (1933) as Hartley Beekman - Secretary to the President |
 | Today We Live (1933) as Ronnie Boyce-Smith |
 | The Wiser Sex (1932) as Phil Long |
| | Uncle Vanya Director |
| | Uncle Vanya Producer |
| | The Man on the Eiffel Tower Producer |
