The Third Alibi poster
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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
WritersMaurice J. Wilson·Montgomery Tully
ProducerMaurice J. Wilson

Where to watch

Tubi TVTubi TVPlexPlexCineverseCineverse
Availability shown for Canada · 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)

More from Laurence Payne · Lead actor

Doctor Who
Doctor Who
1963 · 7.9
Play for Today
Play for Today
1970 · 6.6
The Saint
The Saint
1962 · 7.4
Tales of the Unexpected
Tales of the Unexpected
1979 · 6.7
Maigret
Maigret
1960 · 7.1
The Rivals of Sherlock Holmes
The Rivals of Sherlock Holmes
1971 · 7.5
Ben-Hur
Ben-Hur
1959 · 7.9
Thriller
Thriller
1973 · 7.0
Lady Killers
Lady Killers
1980 · 7.5
Shakespeare: The Animated Tales
Shakespeare: The Animated Tales
1992 · 6.5
See all fromLaurence Payne

More from Patricia Dainton · Co-star actress

The Dancing Years
The Dancing Years
1950 · 5.5
A Piece of Cake
A Piece of Cake
1948 · 5.3
The House in Marsh Road
The House in Marsh Road
1960 · 5.5
Tread Softly
Tread Softly
1952 · 5.7
The Passionate Stranger
The Passionate Stranger
1957 · 5.5
Dancing with Crime
Dancing with Crime
1947 · 6.1
Uncle Silas
Uncle Silas
1947 · 5.9
Operation Diplomat
Operation Diplomat
1953 · 6.1
Ticket to Paradise
Ticket to Paradise
1961 · 5.8
Witness in the Dark
Witness in the Dark
1959 · 7.0
See all fromPatricia Dainton

More from Montgomery Tully · Director

Man from Interpol
Man from Interpol
1960 · 7.0
Scotland Yard
Scotland Yard
1953
Paid to Kill
Paid to Kill
1954 · 5.9
36 Hours
36 Hours
1953 · 6.1
Battle Beneath the Earth
Battle Beneath the Earth
1967 · 4.8
The Terrornauts
The Terrornauts
1967 · 5.5
Murder in Reverse
Murder in Reverse
1945 · 6.7
The Man Who Was Nobody
The Man Who Was Nobody
1960 · 7.0
I Only Arsked
I Only Arsked
1958 · 7.0
Man in the Shadow
Man in the Shadow
1957 · 8.0
See all fromMontgomery Tully

More like this

A Perfect Murder
A Perfect Murder
1998 · 6.5
Dream Lover
Dream Lover
1994 · 6.8
Dial M for Murder
Dial M for Murder
1954 · 8.0
The Critic
The Critic
2024 · 5.8
Adulterers
Adulterers
2016 · 6.2
Careful What You Wish For
Careful What You Wish For
2015 · 6.1
Tyler Perry's Duplicity
Tyler Perry's Duplicity
2025 · 6.6
Deep Water
Deep Water
2022 · 5.8
Witness to Murder
Witness to Murder
1954 · 6.3
Strung
Strung
2026 · 7.6
Seeking Justice
Seeking Justice
2011 · 5.9
The United States of Leland
The United States of Leland
2003 · 6.5

The Third Alibi — streaming FAQ

Which OTT platform streams The Third Alibi?

The Third Alibi is streaming on Tubi TV, Plex and Cineverse in Canada, and available to rent or buy on Google Play Movies and YouTube. It's not currently on Netflix.

Is The Third Alibi on Netflix?

No, The Third Alibi is not on Netflix in Canada as of September 2026. It's currently on Tubi TV and Plex.

Is The Third Alibi on Amazon Prime Video?

No, The Third Alibi isn't on Amazon Prime Video in Canada right now. It's on Tubi TV and Plex instead.

Where can I watch The Third Alibi for free?

The Third Alibi is available to stream free (with ads) on Tubi TV and Plex in Canada.