William Powell (Baron Stephan Wolensky)
Luise Rainer (Countess Olga Mironova)
Robert Young (Grand Duke Peter)
Maureen O'Sullivan (Maria)
Frank Morgan (Col. Baron Suroff)
Bruce Mitchell
Clarence H. Wilson (Stationmaster)
Theodore Von Eltz (Adjutant)
Roland Varno (Czar's Officer)
Cyril Thornton
William Stack (Czar)
Ian Wolfe (Leon)
Rollo Lloyd (Jailer)
Mariska Aldrich (Ugly Woman)
John Picorri (Italian Ambassador)
Clarice Sherry (Blonde)
King Baggot (Customs Official)
George Davis (Waiter)
Russell Powell (Coachman)
Lionel Pape (Sugar Daddy)
Erville Alderson (Conductor)
Vernon P. Downing
Harvey Clark (Conductor)
Ramsay Hill
Olaf Hytten (Conspirator)
Davison Clark
Carole Landis (Bit Part)
Spencer Charters (Usher)
Mitchell Lewis (Plainclothesman)
Leonard Carey (Valet to Walensky)
Agostino Borgato
Torben Meyer (Train Announcer)
Egon Brecher (Chief of Police)
Maude Turner Gordon (Concierge)
Barnett Parker (Albert)
Frank Reicher (Pavloff)
Bert Roach (Porter)
Paul Porcasi (Santuzzi)
E.E. Clive (Auctioneer)
Emma Dunn (Housekeeper)
Frank Conroy (Col. Radoff)
Henry Stephenson (Prince Johann)
Bernadene Hayes (Mitzi)
Donald Kirke (Antone)
Douglas Dumbrille (Korum)