Violet Heming

Anita Mellikovna

Ralph Bellamy

Deene Maxwell

Alexander Kirkland

Louis Capristi aka Charles Pringle

Alan Dinehart

Inpector Slante

Harrington Reynolds

Scotland Yard Inspector

Gustav von Seyffertitz

Pringle's Doctor

Mischa Auer

Russian Policeman (uncredited)

Maria Alba

Mariette(uncredited)