Charles Boyer
Paul Dumond
Jean Arthur
Irene Vail
Leo Carrillo
"The Great Cesare"
Colin Clive
Bruce Vail
Ivan Lebedeff
Michael Browsky
George Meeker
Mr. Norton
Lucien Prival
Private Detective
George Davis
Maestro
Bobby Barber
Paul - Waiter at Victor's (uncredited)
Adrienne D'Ambricourt
French Woman (uncredited)
Tim Holt
S.O.S. Radio Operator (uncredited)
Carlyle Moore Jr.
Wireless Operator (uncredited)