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