The Third Alibi
Thriller Drama
A composer (Laurence Payne) is stuck in a middle-class marriage and finds that his affair with his wife's half-sister (Jane Griffiths) has resulted in a pregnancy. When his wife refuses to give him a divorce he hatches a murder scheme that is too clever by half.
Cast
Laurence Payne
Norman Martell
Patricia Dainton
Helen Martell
Edward Underdown
Dr. Peter Murdoch
Dudley Moore
Rehearsal Pianist (Uncredited)
Stuart Saunders
Cinema manager (uncredited)
John Arnatt
Supt. Ross
Arthur Hewlett
Marshall
Max Faulkner
Det. Sgt. Fred Smith (uncredited)
Humphrey Lestocq
Simmons, the Producer
Annette Kerr
Cinema cashier
Cleo Laine
Cleo
Pat Ryan
Detective Examining Tape-Recorder (uncredited)
Jane Griffiths
Peggy Hill
Lucy Griffiths
Miss Potter