Fay Wray
— Marie Franck
Nils Asther
— Capt. Franck
Edward Arnold
— Schultz
John Miljan
— Weber
David Torrence
— Seerfeldt
Douglas Walton
— Karl
Oscar Apfel
— Pahlke
Vince Barnett
— Peter
Robert Ellis
— Sulkin
Adrienne Marden
— Luler
Noah Beery
— Gen. Philipow
Stephen Chase
— Petroska (as Allan Chase)
Rollo Lloyd
— Baum
A.S. Byron
— Chemist
Arthur Wanzer
— Chemist
Ferdinand Schumann-Heink
— Café Owner
Herbert Holcombe
— Orderly
Reginald Pasch
— Dumb Guy
Ruth Fallows
— Lulu
Robert Graves
— Detective
Edward Peil Sr.
— Garage Owner
Anders Van Haden
— Detective
Werner Plack
— Train Conductor
Albert J. Smith
— Lackey
Philip Morris
— Russian Officer
Eddy Chandler
— Austrian Officer
Henry Gerbil
— Austrian Aviator
Jerry Jerome
— Russian Aviator