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Anton Diffring
Inspector Duval

Diane Hart
Jackie
Mark Singleton
Inspector Wilson
Charles Mitchell
Brossier
Aiden Grennell
Mark Sinclair
Susan Hallinan
Doreen
Charles Roberts
Charley

Patrick Bedford
Sgt. Hastings
James Fitzgerald
Mario
Art
Tony Inglis
Art Direction
Editing
Oswald Hafenrichter
Editor
Production
Bill Luckwell
Producer
Kay Luckwell
Production Supervisor
Richard F. Dalton
Production Manager
Barbara Rowland
Production Secretary
Jock MacGregor
Producer