20091939: Hollywood's Greatest Year— Self (archive footage)
1996A Century of Science Fiction— Self
1992Dracula in the Movies— (archive footage)
1991Der andere Blick— Self
1991Dracula: A Cinematic Scrapbook— Count Dracula (archive footage)
1976Memories of Berlin: The Twilight of Weimar Culture— Self - Interviewee
1959Terror Is a Man— Dr. Charles Girard
1958The Return of Dracula— Count Dracula
1958Maracaibo— Miguel Orlando
1956Lisbon— Seraphim
1956The Ambassador's Daughter— Prince Nicholas Obelski
1953Stolen Identity— Claude Manelli
1952Abenteuer in Wien— Claude Manelli
1950Captain Carey, U.S.A.— Baron Rocco de Greffi
1950A Woman of Distinction— Paul Simone
1950Surrender— Henry Vaan
1948Million Dollar Weekend— Alan Marker
1946The Madonna's Secret— James Harlan Corbin
1946The Diary of a Chambermaid— Joseph
1944Voice in the Wind— Jan Volny / El Hombre
1944The Bridge of San Luis Rey— Esteban / Manuel
1941Puddin' Head— Prince Karl
1940The Man I Married— Eric Hoffman
1939Midnight— Jacques Picot
1938The Lone Wolf in Paris— Michael Lanyard
1937It's All Yours— Jimmy Barnes
1937Screen Snapshots: Series 16, No. 12— Self (uncredited)
1936One Rainy Afternoon— Philippe Martin
1936My American Wife— Count Ferdinand von und zu Reidenach
1935The Gay Deception— Sandro
1935Starlit Days at the Lido— Self
1934The Pursuit of Happiness— Max Christmann
1934Romance in Manhattan— Karel Novak
1934Man of Two Worlds— Aigo
1933Ihre Majestät die Liebe— Fred von Wellingen
1931Das Schicksal der Renate Langen— Gerd
1930Susanne macht Ordnung— Robert
1930Fundvogel— Jan Bergwall
1930Die große Sehnsucht— Himself
1930Der Weg zur Schande— Boris Borrisoff
1930Der Detektiv des Kaisers— Dr. Wolfgang Crusius
1929Pandora'nın Kutusu— Alwa Schön
1929Maman Colibri— Georges de Chambry
1929Die wunderbare Lüge der Nina Petrowna— Lt. Michael Rostof
1929Meineid— Karl Fenn
1929Atlantic— Peter
1928Die seltsame Nacht der Helga Wangen— Werner Hilsoe
1928Zuflucht— Martin Falkhagen
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