Val Guest
Director
Val Guest
Screenplay
Leonard Mosley
Novel
Val Valentine
Screenplay
Bernard Lewis
Camera Operator
Terence Morgan
Inspector Ralph Brown
Yolande Donlan
Jill Wilson
Anthony Oliver
Inspector Newcombe
André Morell
Robert Isaac Pitt
Reginald Beckwith
Harold
Ursula Howells
Antonia Pitt
Guido Lorraine
Pietr Revski
Basil Dignam
Wing Commander Riddle
Raymond Rollett
Sir Robert Rosper
Fred Johnson
Professor Robinson-Heston
Arnold Marlé
Karl Kopek
Mark Dignam
Prison Governor
John Horsley
Assistant Commissioner
Barry Lowe
Eric Colter
Diana Lambert
Young Woman
Petra Davies
Pitt's Maid (uncredited)
Brown Derby
Police Sergeant (uncredited)
Michael Godfrey
Chertwell Security Guard (uncredited)
Arthur Lovegrove
Nick (uncredited)
Louis Matto
Waiter (uncredited)
Guy Mills
Brown's Driver (uncredited)
Stuart Mitchell
Head Waiter (uncredited)
Jim Brady
Nick's Thug (uncredited)
Cyril Renison
Detective Sergeant Enders (uncredited)
