Richard Basehart
Alan Spender
Valentina Cortese
Victoria Kowelska
William Lundigan
Major Marc Bennett
Steven Geray
Dr. Burkhardt
Herbert Butterfield
Joseph C. Callahan
Kei Thin Chung
Kei - Houseboy
Katherine Meskill
Mrs. Whitmore
Mario Siletti
Tony, the Grocer
Charles Wagenheim
Man At Accident
Natasha Lytess
Karin Dernakova
Ashmead Scott
Inspector Hardy
Steve Carruthers
Restaurant Guest (uncredited)
Harry Carter
Detective Ellis (uncredited)
Spencer Chan
Chinese Cook (uncredited)
Sonia Charsky
Bit Role (uncredited)
Geraldine Jordan
Minor Role (uncredited)
Don Kohler
Chemist (uncredited)
Roger McGee
G.I. (uncredited)
Leslie K. O'Pace
U.N.R.A Sergeant (uncredited)
Henry Rowland
Sergeant, Interpreter (uncredited)
Jeffrey Sayre
Police Stenographer (uncredited)
Glen Walters
Bit Role (uncredited)