Calificación
Reparto

Hugh O'Brian
Hugh Lockwood

Elke Sommer
Heideline 'Uli' Ullman

Burgess Meredith
V.C.R. Cameron

Lilia Skala
Frieda Ullman

Angel Tompkins
Gloria Harding

John Gielgud
Harold L. Streeter

Kent Smith
Dr. Edward Laurent

Alfred Ryder
Cheyne

Ben Wright
Kurt van Niestat

Robert Boon
Felix Ernst

Albert Popwell
Dr. Griffin

A Martinez
Carlos Lobos

Byron Chung
Kuroda

Ginny Golden
Miss Keach

Jules Maitland
Reinhardt Brugge

David Ahdar
Hotel Clerk (uncredited)