•
Dämon und Mensch (1915) •
Das Wiegenlied (1916) •
Für den Ruhm des Geliebten (1916) as Musiker Rolf •
Seine Durchlaucht der Landstreicher (1919) •
Die schwarze Fahne (1919) •
Der Roman der Komtesse Ruth (1920) •
Theodor Herzl (1921) as Das leidende Israel •
Orphans of the Storm (1921) as Chevalier de Vaudrey •
The Song of Love (1923) as Raymon Valverde •
The Road to Yesterday (1925) as Kenneth Paulton •
Shipwrecked (1926) as Larry O'Neil •
Meet the Prince (1926) as Prince Nicholas •
Young April (1926) as Prince Caryl •
The King of Kings (1927) as
Judas Iscariot •
The Heart Thief (1927) as Paul Kurt •
His Dog (1927) as Peter Olsen •
The Forbidden Woman (1927) as Jean La Coste •
The Blue Danube (1928) as Ludwig •
Tenth Avenue (1928) as Joe Ross •
Show Boat (1929) as Gaylord Ravenal •
The Mississippi Gambler (1929) as Jack Morgan •
Night Ride (1930) as Joe Rooker • ''
Cock o' the Walk'' (1930) as Carlos Lopez •
Carnival (1931) as Count Andreas Scipio •
The Blue Danube (1932) as Sandor •
Viva Villa! (1934) as Gen. Pascal •
Sisters Under the Skin (1934) as Zukowski •
Cleopatra (1934) as
Herod •
The Crusades (1935) as
Conrad - Marquis of Montferrat •
The Garden of Allah (1936) as Batouch •
Slave Ship (1937) as Danelo •
Souls at Sea (1937) as Gaston de Bastonet •
The Life of Emile Zola (1937) as Capt.
Alfred Dreyfus •
Lancer Spy (1937) as Prince Ferdi Zu Schwarzwald •
Lady Behave! (1937) as Michael Andrews •
The Baroness and the Butler (1938) as Baron Georg Marissey •
Marie Antoinette (1938) as
duc d’Orleans •
Suez (1938) as
Vicomte Rene De Latour • ''
Idiot's Delight'' (1939) as Captain Kirvline •
The Three Musketeers (1939) as King
Louis XIII •
The Man in the Iron Mask (1939) as
Fouquet •
Mr. Moto Takes a Vacation (1939) as Hendrik Manderson •
Lady of the Tropics (1939) as Pierre Delaroch •
The Rains Came (1939) as Mr. Bannerjee •
Pack Up Your Troubles (1939) as Hugo Ludwig •
Phantom Raiders (1940) as Al Taurez •
Rangers of Fortune (1940) as Col. Lewis Rebstock •
The Shop Around the Corner (1940) as Ferencz Vadas •
Meet the Wildcat (1940) as Leon Dumeray •
The Parson of Panamint (1941) as Bob Deming •
The Tell-Tale Heart (1941, short) as Young Man •
Flame of Barbary Coast (1945) as Tito Morell •
The Cheaters (1945) as Anthony 'Mr. M.' Marchand •
Monsieur Beaucaire (1946) as Don Francisco •
Plainsman and the Lady (1946) as Peter Marquette •
Northwest Outpost (1947) as Count Igor Savin •
Old Los Angeles (1948) as Luis Savarin •
The Gallant Legion (1948) as Sen. Clarke Faulkner •
Hamlet (1953, TV) as
King Claudius •
The Diary of Anne Frank (1959) as
Otto Frank •
The Big Bankroll (1961) as Abraham Rothstein •
Dr. Kildare (TV series), Episode: The Stepping Stone as Max Keller •
The Twilight Zone, Episode:
Deaths-Head Revisited (1961, TV) as Alfred Becker •
The Twilight Zone, Episode:
The Trade-Ins (1962, TV) as John Holt •
The Greatest Story Ever Told (1965) as
Nicodemus (posthumous release) ==See also==