Characters played by Lionel Atwill
Robert von Helldorf
Characters played by Gloria Stuart
Irene von Helldorf
Characters played by Paul Lukas
Capt. Walter Brink
Characters played by Edward Arnold
Commissioner Forster
Characters played by Onslow Stevens
Frank Faber
Characters played by William Janney
Thomas Brandt
Characters played by Robert Barrat
Paul - the Butler
Characters played by Muriel Kirkland
Betty - the Maid
Characters played by Russell Hopton
Max - the Chauffeur
Characters played by Elizabeth Patterson
Mary - the Cook
Characters played by Anders Van Haden
The Stranger
Characters played by James Durkin
Kruger - the Commissioner's Assistant