The Third Alibi
Directed by Montgomery Tully
Plot
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.
Where to watch
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Cast
Laurence Payne
Norman Martell
Patricia Dainton
Helen Martell
Jane Griffiths
Peggy Hill
Edward Underdown
Dr. Peter Murdoch
John Arnatt
Supt. Ross
Humphrey Lestocq
Simmons, the Producer
Lucy Griffiths
Miss Potter
Olive Milbourne
Mrs. Booth
Arthur Hewlett
Marshall
Annette Kerr
Cinema cashier
Cleo Laine
Cleo
Dudley Moore
Rehearsal Pianist (Uncredited)
Sylvia Davis
Cinema sales girl (uncredited)
Max Faulkner
Det. Sgt. Fred Smith (uncredited)
Garard Green
Patrol car policeman (uncredited)