John Robie
Frances Stevens
Jessie Stevens
H. H. Hughson
Bertani
Danielle Foussard
Foussard
Germaine
Commissaire Lepic (uncredited)
Big Man in Kitchen (uncredited)
Masquerade Party Guest (uncredited)
Casino Patron (uncredited)
Detective (uncredited)
Jewelry Clerk (uncredited)
Man Sitting Next to John Robie on Bus (uncredited)
Bertani Employee (uncredited)
Party Guest (uncredited)
Detective at the Costume Ball (uncredited)
Croupier (uncredited)
Elegant French Woman / Additional Voices (uncredited)
Frenchman (uncredited)