Conrad Veidt
Otto Becker / Baron Hugo von Detner
Ann Ayars
Kaaren De Relle
Frank Reicher
Fritz
Dorothy Tree
Miss Harper
Ivan F. Simpson
Professor Sterling (as Ivan Simpson)
William Tannen
Ludwig
Martin Kosleck
Kurt Richten
Marc Lawrence
Joe Aiello
Sidney Blackmer
Arnold Milbar
Moroni Olsen
Brenner
Pierre Watkin
Grover Blaine McHenry
Ernie Alexander
Sailor (uncredited)
Rudolph Anders
Cab Driver (uncredited)
Jessie Arnold
Landlady (uncredited)
