
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.

as Norman Martell

as Helen Martell

as Peggy Hill

as Dr. Peter Murdoch

as Supt. Ross

as Simmons, the Producer

as Miss Potter

as Mrs. Booth

as Marshall

as Cinema cashier

as Cleo

as Rehearsal Pianist (Uncredited)

as Cinema sales girl (uncredited)

as Det. Sgt. Fred Smith (uncredited)

as Patrol car policeman (uncredited)

as P.C. Williams (uncredited)

as Sleeping Man in Theater (uncredited)

as Detective Examining Tape-Recorder (uncredited)

as Cinema manager (uncredited)

as Det. Sgt. Carter (uncredited)

as Detective / Fingerprints Officer (uncredited)