2021Coded: The Hidden Love of J.C. Leyendecker— Archival Footage
2014Monster Madness: The Golden Age of the Horror Film— Dr. Henry Jekyll / Mr. Hyde (archive footage)
2007Famous Monster: Forrest J Ackerman— Self (archive footage)
2003Complicated Women— Self (archive footage)
1990Myrna Loy: So Nice to Come Home To— (archive footage)
1986The Spencer Tracy Legacy: A Tribute by Katharine Hepburn— Self (archive footage)
1984Going Hollywood: The '30s— Self (archive footage)
1975Brother, Can You Spare a Dime?— Self (archive footage)
1973The Iceman Cometh— Harry Hope
1970… tick… tick… tick…— Mayor Jeff Parks
1967Asi Kabadayı— Dr. Alex Favor
1964Seven Days in May— President Jordan Lyman
1962I sequestrati di Altona— Albrecht von Gerlach
1961The Young Doctors— Dr. Joseph Pearson
1959Middle of the Night— Jerry Kingsley
1959A Christmas Carol— Narrator
1958The Winslow Boy— Arthur Winslow
1957Albert Schweitzer— Albert Schweitzer (voice)
1956The Man in the Gray Flannel Suit— Ralph Hopkins
1956Alexander the Great— Philip of Macedonia
1956Island of Allah— Himself / Narrator
1955The Desperate Hours— Daniel C. Hilliard
1954Toko-Ri Köprüleri— Rear Adm. George Tarrant
1954A Christmas Carol— Ebenezer Scrooge
1953Man on a Tightrope— Karel Cernik
1951It's a Big Country— Joe Esposito
1951Death of a Salesman— Willy Loman
1950The Titan: Story of Michelangelo— Narrator (voice)
1949Christopher Columbus— Christopher Columbus
1949The Twentieth Century— Oscar Jaffe
1948An Act of Murder— Judge Calvin Cooke
1948Another Part of the Forest— Marcus Hubbard
1947So You Want to Be in Pictures— Self (archive footage) (uncredited)
1946Hayatımızın En Güzel Yılları— Al Stephenson
1945Welcome Home— Narrator
1945A Pass to Tomorrow— Self - Narrator
1944Tomorrow, the World!— Mike Frame
1944The Adventures of Mark Twain— Samuel Langhorne Clemens (Mark Twain)
1944The Valley of the Tennessee— Narrator (voice)
1942Bir Cadıyla Evlendim— Jonathan / Nathaniel / Samuel / Wallace Wooley
1942Черноморцы— Self - Narrator of the English dub
1941Bedtime Story— Luke Drake
1941One Foot in Heaven— William Spence
1941So Ends Our Night— Josef Steiner
1940Susan and God— Barrie Trexel
1940Victory— Hendrik Heyst
1940Cavalcade of the Academy Awards— Self (archive footage)
1940Hollywood: Style Center of the World— Self
1939The 400 Million— Narration (voice)
1938There Goes My Heart— Bill Spencer
1938The Buccaneer— Jean Lafitte
1938Trade Winds— Sam Wye
1937A Star Is Born— Norman Maine
1937Yalancılar Şahı— Wallace "Wally" Cook
1936Anthony Adverse— Anthony Adverse
1936Mary of Scotland— Bothwell
1936The Road to Glory— Lieutenant Michel Denet
1936Breakdowns of 1936— Self
1936The Making of a Great Motion Picture
1935Les Misérables— Jean Valjean / Champmathieu
1935Anna Karenina— Count Vronsky
1935The Dark Angel— Alan Trent
1934Death Takes a Holiday— Prince Sirki
1934The Barretts of Wimpole Street— Robert Browning
1934The Affairs of Cellini— Benvenuto Cellini
1934Good Dame— Mace Townsley
1934We Live Again— Prince Dmitri Nekhlyudov
1934All of Me— Don Ellis
1933The Eagle and the Hawk— Jerry H. Young
1933Bir Gönülde İki Sevda— Tom Chambers
1933Tonight Is Ours— Sabien Pastal
1933Hollywood on Parade No. B-5— Self (archive footage) (uncredited)
1932Hollywood on Parade No. A-1— Self
1932The Sign of the Cross— Marcus Superbus - Prefect of Rome
1932Merrily We Go to Hell— Jerry Corbett
1932Make Me a Star— Fredric March (uncredited)
1932Strangers in Love— Buddy Drake / Arthur Drake
1931Dr. Jekyll ve Bay Hyde— Dr. Henry Jekyll / Mr. Edward Hyde
1931Honor Among Lovers— Jerry Stafford
1931My Sin— Dick Grady
1931The Night Angel— Rudek Berken
1930The Royal Family of Broadway— Tony Cavendish
1930Sarah and Son— Howard Vanning
1930Manslaughter— Dan O'Bannon
1930True to the Navy— Bull's Eye McCoy
1930Laughter— Paul Lockridge
1930Ladies Love Brutes— Dwight Howell
1930Paramount on Parade— Marine
1929The Wild Party— James Gilmore
1929The Studio Murder Mystery— Richard Hardell
1929The Marriage Playground— Martin Boyne
1929Paris Bound— Jim Hutton
1929Footlights and Fools— Gregory Pyne
1929Jealousy— Pierre
1929The Dummy— Trumbull Meredith
1921The Education of Elizabeth— Man (uncredited)
1921The Great Adventure— Man (uncredited)
1921The Devil— Bal Masque Participant (uncredited)
1921Paying the Piper— Man (uncredited)
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