Harry Fordyce
Peter Cushing
Colonel Gore Hepburn
André Morell
Mrs. Fordyce (voice)
Vera Cook
Tommy Fordyce (voice)
Gareth Tandy
Pearson
Richard Vernon
Sanderson
Norman Bird
Harvill
Barry Lowe
Detective Inspector Mason
Kevin Stoney
Miss Pringle
Edith Sharpe
Cecily Wainwright
Lois Daine
Kane
Alan Haywood
Det. Sgt. Collins
Charles Morgan
Director
Quentin Lawrence
Screenplay
David T. Chantler
Lewis Greifer
Executive Producer
Michael Carreras
Original Music Composer
Wilfred Josephs
Editor
Eric Boyd-Perkins
Casting
Stuart Lyons
Production Design
Bernard Robinson
Director of Photography
Arthur Grant
Associate Producer
Anthony Nelson Keys
Makeup Artist
Roy Ashton
Hairstylist
Frieda Steiger
Production Manager
Clifford Parkes
Original Story
Jacques Gillies