Burgess Meredith
— Dick
Jean-Pierre Aumont
— Andre Marchand
Paula Valenska
— Sury / Sonia / Hedy
Kathleen Harrison
— Isobel
Richard Murdoch
— David Felton
Julian D'Albie
— Waterhouse
José de Almeyda
— Jones
Kenneth Kove
— Clergyman
Henry Pascal
— Mazzini
Glyn Lawson
— Max
Karl Stepanek
— Schroeder
Edward Lexy
— The Colonel
Michael Allen
— Reporter #1
Patrick Barr
— Hedy's Husband
Hilda Bayley
— Mrs. Felton
Derek Blomfield
— Officer in Nightclub #1
Gerald Case
— Military Policeman #1
Darcy Conyers
— Officer in Nightclub #2
James Crabbe
— John Felton
Sandra Dorne
— Nightclub Hostess #2
John Gabriel
— Reporter #2
Colin Gordon
— Connelly
Fred Griffiths
— Military Policeman #2
Ernest Jay
— Mr. Felton
Constance Lewis
— Woman #2
Richard Molinas
— Schloss
Hugh Morton
— Perdrelli
Natasha Parry
— Betty Felton
Ivan Samson
— Commanding Officer
Eva Savage
— Mimi