Credits

• 1996 · Joan Crawford: Always the Star as Self (archive footage)
• 1991 · Preminger: Anatomy of a Filmmaker as actor 'Advise and 'Consent' (archive footage) (uncredited)
• 1989 · Broadway's Dreamers: The Legacy of the Group Theatre as Self
• 1976 · That's Entertainment, Part II as (archive footage)
• 1972 · Hollywood: The Dream Factory as Self (archive footage)
• 1968 · Nobody Runs Forever as Ambassador Townsend
• 1968 · Shadow Over Elveron as Barney Conners
• 1965 · Mickey One as Rudy Lopp
• 1965 · Run for Your Life as Judge Taliaferro Wilson
• 1965 · In Harm's Way as CINCPAC I
• 1964 · See How They Run as Baron Frood
• 1964 · The Big Parade of Comedy as Gifford in 'Bombshell' (archive footage)
• 1964 · How to Make a French Dish as John K. Montasy Jr
• 1962 · The Alfred Hitchcock Hour as Rudolph Bitzner
• 1962 · The Virginian as Murdoch
• 1962 · Advise & Consent as The President
• 1961 · Ben Casey as Dr. Daniel Niles Freeland
• 1961 · Witchcraft: The Doll in Brambles as Your Host
• 1959 · The Twilight Zone as Col. Archie Taylor
• 1959 · Bonanza as Denver McKee
• 1958 · Westinghouse Desilu Playhouse as Candy Lombe
• 1958 · Bitter Heritage as Frank James
• 1957 · Uncle Vanya as Dr. Mikhail Lvovich Astroff
• 1956 · The Little Foxes as Horace
• 1955 · Alfred Hitchcock Presents as Oliver Mathews
• 1955 · Too Old for Dolls as Mike Ramsay
• 1954 · Climax! as Henry Hutton
• 1954 · Climax! as Dr. Ken Jaynes
• 1954 · Climax! as Kurt Baumann / Scott Malone
• 1954 · Twelve Angry Men as Juror #3
• 1953 · General Electric Theater as Charles Proteus Steinmetz
• 1952 · Four Star Playhouse as Ben
• 1951 · Here Comes the Groom as Wilbur Stanley
• 1951 · Tales of Tomorrow as
• 1950 · Lux Video Theatre as Meredith Whitehouse
• 1950 · The Colgate Comedy Hour as Self
• 1950 · Robert Montgomery Presents as
• 1949 · The Man on the Eiffel Tower as Johann Radek
• 1949 · Without Honor as Dennis Williams
• 1949 · Lights Out as
• 1949 · Jigsaw as Howard Malloy
• 1949 · Suspense as Markheim
• 1948 · Every Girl Should Be Married as Roger Sanford
• 1948 · Studio One as Juror #3
• 1948 · Studio One as Rev. Lockman
• 1948 · Studio One as Douglas Thompson
• 1948 · Studio One as Bill Gibson
• 1948 · Studio One as
• 1948 · The Philco Television Playhouse as
• 1948 · The Ed Sullivan Show as Self
• 1948 · I Love Trouble as Stuart Bailey
• 1947 · Her Husband's Affairs as William Weldon
• 1947 · Honeymoon as David Flanner
• 1947 · Lost Honeymoon as Johnny Gray
• 1946 · Because of Him as Paul Taylor
• 1945 · That Night with You as Paul Renaud
• 1944 · Dark Waters as Dr. George Grover
• 1944 · The Hour Before the Dawn as Jim Hetherton
• 1944 · Phantom Lady as John 'Jack' Marlow
• 1943 · True to Life as Fletcher Marvin
• 1943 · His Butler's Sister as Charles Gerard
• 1943 · The Voice That Thrilled the World as Self (segment 'Dangerous') (archive footage)
• 1943 · Pilot #5 as George Braynor Collins
• 1943 · Five Graves to Cairo as Cpl. John J. Bramble / Paul Davos
• 1942 · The Wife Takes a Flyer as Christopher Reynolds
• 1942 · Star Spangled Rhythm as John
• 1941 · This Woman Is Mine as Robert Stevens
• 1941 · She Knew All the Answers as Mark Willows
• 1941 · Nice Girl? as Richard Calvert
• 1940 · Trail of the Vigilantes as Kansas
• 1939 · Fast and Furious as Joel Sloane
• 1938 · The Girl Downstairs as Paul Wagner
• 1938 · Three Loves Has Nancy as Robert 'Bob' Hanson
• 1938 · Three Comrades as Otto Koster
• 1938 · Love Is a Headache as Peter Lawrence
• 1938 · Man-Proof as Jimmy Kilmartin
• 1937 · The Bride Wore Red as Giulio
• 1937 · The Romance of Celluloid as Self (archive footage)
• 1937 · Between Two Women as Allan Meighan
• 1937 · They Gave Him a Gun as James 'Jimmy' Davis
• 1937 · Quality Street as Dr. Valentine Brown
• 1936 · Love on the Run as Barnabus Pells
• 1936 · The Gorgeous Hussy as John H. Eaton
• 1936 · Suzy as Terry
• 1936 · The King Steps Out as Emperor Franz Josef
• 1936 · The Unguarded Hour as Sir Alan Dearden
• 1936 · Exclusive Story as Dick Parton
• 1935 · Dangerous as Don Bellows
• 1935 · Mutiny on the Bounty as Roger Byam
• 1935 · No More Ladies as Jim 'Jimsy Boysie' Salston
• 1935 · Reckless as Robert 'Bob' Harrison Jr.
• 1935 · One New York Night as Foxhall Ridgeway
• 1935 · The Lives of a Bengal Lancer as Forsythe
• 1934 · Gentlemen Are Born as Bob Bailey
• 1934 · Straight Is the Way as Benny
• 1934 · The Girl from Missouri as T.R. Paige, Jr.
• 1934 · The World Moves On as Richard Girard - 1825 / Richard Girard - 1914
• 1934 · Sadie McKee as Michael
• 1934 · Moulin Rouge as Douglas Hall
• 1933 · Dancing Lady as Tod Newton
• 1933 · Bombshell as Gifford Middleton
• 1933 · Stage Mother as Warren Foster
• 1933 · The Stranger's Return as Guy Crane
• 1933 · Midnight Mary as Tom
• 1933 · Gabriel Over the White House as Hartley Beekman - Secretary to the President
• 1933 · Today We Live as Ronnie Boyce-Smith
• 1932 · The Wiser Sex as Phil Long