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.
Director
Montgomery Tully
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
Arthur Hewlett
Marshall
Annette Kerr
Cinema cashier
Cleo Laine
Cleo
Dudley Moore
Rehearsal Pianist (Uncredited)
Max Faulkner
Det. Sgt. Fred Smith (uncredited)
GB
