Robert Stack
Bob Hayward
Robert Stack
Bob Hayward
Barbara Britton
Alice Hayward
Nigel Bruce
Dr. Angus McLean
Ramsay Hill
Major Parkhurst
Paul McVey
Commissioner
Hope Miller
Portuguese girl
John Dodsworth
Sir William Drayton
Patrick O'Moore
Ballinger
Arch Oboler
Director
Arch Oboler
Screenplay
John Hoffman
Editor
Robert Eaton
Props