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A composer is stuck in a middle-class marriage and finds that his affair with his wife's half-sister 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.
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Laurence PayneNorman Martell
Patricia DaintonHelen Martell
Jane GriffithsPeggy Hill
Edward UnderdownDr. Peter Murdoch
John ArnattSupt. Ross
Humphrey LestocqSimmons, the Producer
Lucy GriffithsMiss Potter
Arthur HewlettMarshall
Annette KerrCinema cashier
Cleo LaineCleo
Dudley MooreRehearsal Pianist (Uncredited)
Max FaulknerDet. Sgt. Fred Smith (uncredited)| Platform | Score | Points |
|---|---|---|
| IMDb492 votes | 7 | 7 pts |
| Rotten Tomatoes | not available | skipped |
| Metacritic | not available | skipped |
| Letterboxd | not available | skipped |
Scores from IMDb. Updated weekly.
492 votes across 1 platformThe Third Alibi (1961) has a Lantern Score of 7.0, from IMDb 7. Watch it free with ads in the US on Plex, Cineverse.