Ian Wolfe
Leon, a Conspirator
Roland Varno
Czar's Officer (uncredited)
E. E. Clive
Auctioneer
Frank Reicher
Pavloff
Leonard Carey
Valet to Wolensky (uncredited)
Frank Morgan
Colonel Baron Suroff
Gino Corrado
Inn Patron (uncredited)
Torben Meyer
Train Announcer (uncredited)
Charles Waldron
Dr. Malchor, a Conspirator
Emma Dunn
Anna - Olga's Housekeeper
Frank Conroy
Col. Radoff
Robert Young
Grand Duke Peter
Jules Cowles
Bidder (uncredited)
Bert Roach
Hotel Clerk
Olaf Hytten
Conspirator (uncredited)
William Powell
Baron Stephan Wolensky
Carole Landis
Bidder (uncredited)
Spencer Charters
Usher (uncredited)
Douglass Dumbrille
Mr. Korum, a Conspirator
Donald Kirke
Anton, the Thief
Maureen O'Sullivan
Maria Orlich
Sidney Bracey
Maria's Footman (uncredited)
Henry Stephenson
Prince Johann
Clarence Wilson
Stationmaster (uncredited)
Theodore von Eltz
Adjutant to Prince Johann (uncredited)
Dorothea Wolbert
Bidder (uncredited)
Bernadene Hayes
Mitzi Reisenbach
Paul Porcasi
Santuzzi
George Davis
Waiter (uncredited)
Luise Rainer
Countess Olga Mironova
Barnett Parker
Albert, Stephan's Butler
Alphonse Martell
Marcel Garnier (uncredited)
King Baggot
Customs Official (uncredited)
Rollo Lloyd
Jailer (uncredited)
Franklyn Farnum
Bidder (uncredited)
Philo McCullough
Conspirator (uncredited)