Two opposing characters are hidden in the person of the inconspicuous London gentleman Dr. Warren and Janus.
Director: F. W. Murnau
Conrad Veidt
Dr. Warren
Magnus Stifter
Warrens Freund
Margarete Schlegel
Grace
Willy Kaiser-Heyl
o. A.
Bela Lugosi
Warren's Butler
Margarete Kupfer
Danny Guertler
Gustav Botz
Harriet and the Piper
The Spanish Jade
Mrs. Thompson
Gamblers All
The Edge o' Beyond
Convict 99
The Elder Miss Blossom
Her Own Free Will
The Atom
Deadline at Eleven
Speed King
Within the Law
