Patrick O'Neal
Richard Cutting
Acting
Joan Hackett
Dominique Laurant
Acting
John Gielgud
Curt Valayan
Acting
Herbert Lom
Matt Wilson
Acting
Eric Portman
Notary
Acting
Peter van Eyck
Walter Green
Acting
Oskar Homolka
Inspector Ruff
Acting
Leon Greene
The Big Man
Acting
Kent Smith
Mr. Eversley
Acting
Philip Ober
Bohlen
Acting
Fifi D'Orsay
Mrs. Hennie
Acting
Éva Szörényi
Landlady (as Eva Soreny)
Acting
Cynthia O'Neal
Felice Valayan (as Cynthia Baxter)
Acting
Martin Miller
Police Chief (uncredited)
Acting
Charles H. Radilak
Manager (uncredited)
Acting
Erik Sorenson
Bellboy (uncredited)
Acting
Betty Bresler
Secretary (uncredited)
Acting
Joanne Ludden
Receptionist (uncredited)
Acting
Walter Friedel
Secretary (uncredited)
Acting
Karl Bruck
Waiter (uncredited)
Acting
Walter Janovitz
Waiter (uncredited)
Acting
Albert D'Arno
Waiter (uncredited)
Acting
Ann Prentiss
Hotel Party Girl in Red Dress (uncredited)
Acting