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