Acting

2009

as Count Leon d'Algout (archive footage)

1990

as (archive footage)

1988

as Self (archive footage)

1987

as Keller Floran

1983

as Max Reich

1981

as Dr. John Jaffrey

1980		Tell Me a Riddle as David
1980		The Changeling as Senator Carmichael

1979		Being There as Benjamin Rand
1979		The Seduction of Joe Tynan as Senator Birney

1978

1977		Intimate Strangers as Donald's Father
1977		Portrait of Grandpa Doc
1977		Twilight's Last Gleaming as Zachariah Guthrie

1976		The Tenant as Monsieur Zy
1976		That's Entertainment, Part II as (archive footage)

1974		Murder or Mercy as Dr. Paul Harelson
1974		The Death Squad as Police Captain Earl Kreski

1973

as Grandfather

1972		The Candidate as John J. McKay
1972		One Is a Lonely Number as Joseph Provo
1972		Hollywood: The Dream Factory as Self (archive footage)

1971

as Judge Earl Chapman

1970

as Tom Garrison

1968

as Dr. Lawrence Strelson

1967		Do Not Go Gentle Into That Good Night as Peter Schermann
1967		The Crucible as Deputy Governor Danforth
1967		Hotel as Warren Trent

1965		Inherit the Wind as Henry Drummond
1965		Once Upon a Tractor as Martin
1965		Rapture as Frederick Larbaud

1964		The Americanization of Emily as Admiral William Jessup
1964		The Big Parade of Comedy as Leon (archive footage)
1964		Advance to the Rear as Col. Claude Brackenbury

1963

as Homer Bannon

1962

as The Dansker, Sailmaker

1961

as Self (archive footage) (uncredited)

1958		Old Man as Self - Host
1958		The Plot to Kill Stalin as Stalin

1957

as Howard Hoagland

1951		On the Loose as Frank Bradley
1951		My Forbidden Past as Paul Beaurevel

1949		The Great Sinner as Armand De Glasse
1949		A Woman's Secret as Luke Jordan

1948		My Own True Love as Clive Heath
1948		Mr. Blandings Builds His Dream House as Bill Cole

1947		The Sea of Grass as Brice Chamberlain
1947		The Guilt of Janet Ames as Smithfield 'Smitty' Cobb

1943

as Jeff Seabrook

1942		They All Kissed the Bride as Michael 'Mike' Holmes
1942		We Were Dancing as Nicholas Prax

1941		Two-Faced Woman as Lawrence 'Larry' Blake
1941		Our Wife as Jerome 'Jerry' Marvin
1941		A Woman's Face as Dr. Gustaf Segert
1941		That Uncertain Feeling as Larry Baker

1940		This Thing Called Love as Tice Collins
1940		Third Finger, Left Hand as Jeff Thompson
1940		He Stayed for Breakfast as Paul Boliet
1940		Cavalcade of the Academy Awards as Self
1940		Too Many Husbands as Henry Lowndes

1939		Ninotchka as Count Leon d'Algout
1939		The Amazing Mr. Williams as Kenny Williams
1939		Screen Snapshots Series 19, No. 1
1939		Good Girls Go to Paris as Ronald Brooke
1939		Tell No Tales as Michael Cassidy
1939		From the Ends of the Earth as Self
1939		Screen Snapshots Series 18, No. 8 as Melvyn Douglas

1938		There's That Woman Again as William 'Bill' Reardon
1938		The Shining Hour as Henry Linden
1938		That Certain Age as Vincent Bullitt
1938		Fast Company as Joel Sloane
1938		The Toy Wife as George Sartoris
1938		There's Always a Woman as William H. Reardon
1938		Arsène Lupin Returns as Rene Farrand aka Arsene Lupin

1937		I'll Take Romance as James Guthrie
1937		Angel as Anthony 'Tony' Halton
1937		Captains Courageous as Frank Burton Cheyne
1937		I Met Him in Paris as George Potter
1937		Women of Glamour as Richard 'Dick' Stark

1936		Theodora Goes Wild as Michael Grant
1936		The Gorgeous Hussy as John Randolph
1936		And So They Were Married as Stephen Blake

1935		The Lone Wolf Returns as Michael Lanyard
1935		Mary Burns, Fugitive as Barton Powell
1935		Annie Oakley as Jeff Hogarth
1935		She Married Her Boss as Richard Barclay
1935		The People's Enemy as George R. 'Traps' Stuart

1934		Dangerous Corner as Charles Stanton
1934		Woman in the Dark as Tony Robson

1933		Counsellor at Law as Roy Darwin
1933		Nagana as Dr. Walter Tradnor
1933		The Vampire Bat as Karl Brettschneider

1932		The Old Dark House as Penderel
1932		As You Desire Me as Count Bruno Varelli
1932		The Broken Wing as Philip 'Phil' Marvin
1932		The Wiser Sex as David Rolfe

1931		Prestige as Capt. Andre Verlaine
1931		Tonight or Never as Jim Fletcher