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