The Third Alibi poster
Where to stream

The Third Alibi

6.619611h 8mMovieThrillerDrama

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.

DirectorMontgomery Tully
WritersMontgomery Tully·Maurice J. Wilson
ProducerMaurice J. Wilson

Where to watch

PlexPlexPlex ChannelPlex ChannelCineverseCineverseTubi TVTubi TV
Availability shown for United States · rights vary by country

Cast · Directed by Montgomery Tully

LPLaurence Payne
Laurence Payne
Norman Martell
PDPatricia Dainton
Patricia Dainton
Helen Martell
JGJane Griffiths
Jane Griffiths
Peggy Hill
EUEdward Underdown
Edward Underdown
Dr. Peter Murdoch
JAJohn Arnatt
John Arnatt
Supt. Ross
HLHumphrey Lestocq
Humphrey Lestocq
Simmons, the Producer
LGLucy Griffiths
Lucy Griffiths
Miss Potter
OM
Olive Milbourne
Mrs. Booth
AHArthur Hewlett
Arthur Hewlett
Marshall
AKAnnette Kerr
Annette Kerr
Cinema cashier
CLCleo Laine
Cleo Laine
Cleo
DMDudley Moore
Dudley Moore
Rehearsal Pianist (Uncredited)

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The Third Alibi — streaming FAQ

Which OTT platform streams The Third Alibi?

The Third Alibi is streaming on Plex, Plex Channel and Cineverse in United States, and available to rent or buy on Amazon Video and Google Play Movies. It's not currently on Netflix.

Is The Third Alibi on Netflix?

No, The Third Alibi is not on Netflix in United States as of August 2026. It's currently on Plex and Plex Channel.

Is The Third Alibi on Amazon Prime Video?

The Third Alibi isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch The Third Alibi for free?

The Third Alibi is available to stream free (with ads) on Plex and Plex Channel in United States.