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 · 6.8
Maigret
Maigret
1960 · 7.1
Thriller
Thriller
1973 · 7.0
Interpol Calling
Interpol Calling
1959 · 7.2
Ben-Hur
Ben-Hur
1959 · 7.9
The Main Chance
The Main Chance
1969 · 8.2
The Rivals of Sherlock Holmes
The Rivals of Sherlock Holmes
1971 · 7.5
See all fromLaurence Payne

More from Patricia Dainton · Co-star actress

The House in Marsh Road
The House in Marsh Road
1960 · 5.5
At the Stroke of Nine
At the Stroke of Nine
1957 · 10.0
Don't Ever Leave Me
Don't Ever Leave Me
1949 · 7.7
A Piece of Cake
A Piece of Cake
1948 · 5.2
Castle in the Air
Castle in the Air
1952 · 7.0
Witness in the Dark
Witness in the Dark
1959 · 7.0
Uncle Silas
Uncle Silas
1947 · 5.9
Dancing with Crime
Dancing with Crime
1947 · 6.1
No Road Back
No Road Back
1957 · 5.8
Paul Temple Returns
Paul Temple Returns
1952 · 6.1
See all fromPatricia Dainton

More from Montgomery Tully · Director

Scotland Yard
Scotland Yard
1953
Man from Interpol
Man from Interpol
1960 · 7.0
The Man Who Was Nobody
The Man Who Was Nobody
1960 · 7.0
36 Hours
36 Hours
1953 · 6.1
Battle Beneath the Earth
Battle Beneath the Earth
1967 · 4.8
Boy With a Flute
Boy With a Flute
1964 · 10.0
The House in Marsh Road
The House in Marsh Road
1960 · 5.5
A Tale of Five Cities
A Tale of Five Cities
1951 · 5.0
The Glass Cage
The Glass Cage
1955 · 5.6
The Diamond Wizard
The Diamond Wizard
1954 · 5.9
See all fromMontgomery Tully

More like this

A Perfect Murder
A Perfect Murder
1998 · 6.6
Dream Lover
Dream Lover
1994 · 6.9
Dial M for Murder
Dial M for Murder
1954 · 8.0
House by the River
House by the River
1950 · 6.8
The Dark Corner
The Dark Corner
1946 · 6.6
Careful What You Wish For
Careful What You Wish For
2015 · 6.1
Adulterers
Adulterers
2016 · 6.2
Tyler Perry's Duplicity
Tyler Perry's Duplicity
2025 · 6.6
The File on Thelma Jordon
The File on Thelma Jordon
1949 · 6.6
Deep Water
Deep Water
2022 · 5.8
Killer's Kiss
Killer's Kiss
1955 · 6.3
Strung
Strung
2026 · 7.6

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 October 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.