Clark Gable as McKinley B. 'Mac' Thompson

Hedy Lamarr as Golubka / Theodore Yahupitz / Lizvanetchka 'Lizzie'

Oskar Homolka as Commissar Vasiliev

Felix Bressart as Igor Yahupitz / Vanya

Eve Arden as Jane Wilson

Sig Ruman as Emil Von Hofer

Natasha Lytess as Olga Milanova

Vladimir Sokoloff as Michael Bastakoff

Edgar Barrier as Rubick

Georges Renavent as Laszlo

Leon Belasco as Comrade Baronoff

Michael Mark as Goronoff

Alex Melesh as Effeminate Streetcar Conductor

Sven Hugo Borg as Streetcar Passenger

John Bleifer as Russian Marriage License Clerk / Russian Tank Co-Pilot

Shimen Ruskin as Russian Bridegroom

Alexander Asro as Russian Waiter

Mikhail Rasumny as Russian Officer

Ilia Khmara as Russian Man

Lici Balla as Russian Woman

Matthew Boulton as British World Press Attendee

Keye Luke as World Press Attendee with Glasses

John Picorri as World Press Attendee Standing Next to Von Hofer

Sam Harris as Press Correspondent

Manuel París as Press Correspondent

William Bailey as Press Correspondent

Larry Steers as Press Correspondent