William Powell
Baron Stephan Wolensky
Luise Rainer
Countess Olga Mironova
Robert Young
Grand Duke Peter
Maureen O'Sullivan
Maria Orlich
Frank Morgan
Colonel Baron Suroff
Henry Stephenson
Prince Johann
Bernadene Hayes
Mitzi Reisenbach
Donald Kirke
Anton, the Thief
Douglass Dumbrille
Mr. Korum, a Conspirator
Charles Waldron
Dr. Malchor, a Conspirator