Calificación
Reparto

Hugh O'Brian
Hugh Lombard

Shirley Eaton
Ann Clyde

Fabian
Mike Raven

Leo Genn
General Mandrake

Stanley Holloway
Det. William Henry Blore

Wilfrid Hyde-White
Judge Arthur Cannon

Daliah Lavi
Ilona Bergen

Dennis Price
Dr. Edward Armstrong

Marianne Hoppe
Elsa Grohmann

Mario Adorf
Joseph Grohmann

Bill Mitchell
Narrator (voice)

Christopher Lee
Mr. U.N. Owen (voice)