The Third Alibi

Plot Summary

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.

Top Cast

Laurence Payne Norman Martell

Patricia Dainton Helen Martell

Jane Griffiths Peggy Hill

Edward Underdown Dr. Peter Murdoch

John Arnatt Supt. Ross