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)