طاقم التمثيل
Pat Ryan
Detective Examining Tape-Recorder (uncredited)
Laurence Payne
Norman Martell
Patricia Dainton
Helen Martell
Stuart Saunders
Cinema manager (uncredited)
Humphrey Lestocq
Simmons, the Producer
Lucy Griffiths
Miss Potter
Max Faulkner
Det. Sgt. Fred Smith (uncredited)
Jane Griffiths
Peggy Hill
Annette Kerr
Cinema cashier
Dudley Moore
Rehearsal Pianist (Uncredited)
Edward Underdown
Dr. Peter Murdoch
John Arnatt
Supt. Ross
Arthur Hewlett
Marshall
Cleo Laine
Cleo