The Third Alibi poster
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The Third Alibi

6.619611h 8mMovieThrillerDrama

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.

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

More from Patricia Dainton · Co-star actress

Paul Temple Returns
Paul Temple Returns
1952 · 6.1
Don't Ever Leave Me
Don't Ever Leave Me
1949 · 7.7
At the Stroke of Nine
At the Stroke of Nine
1957 · 10.0
Castle in the Air
Castle in the Air
1952 · 7.0
The House in Marsh Road
The House in Marsh Road
1960 · 5.5
Uncle Silas
Uncle Silas
1947 · 5.9
Tread Softly
Tread Softly
1952 · 5.7
Love in Waiting
Love in Waiting
1948 · 7.5
The Passionate Stranger
The Passionate Stranger
1957 · 5.6
No Road Back
No Road Back
1957 · 5.8
See all fromPatricia Dainton

More from Montgomery Tully · Director

Scotland Yard
Scotland Yard
1953
Man from Interpol
Man from Interpol
1960 · 7.0
The Glass Cage
The Glass Cage
1955 · 5.6
Battle Beneath the Earth
Battle Beneath the Earth
1967 · 4.8
Boy With a Flute
Boy With a Flute
1964 · 10.0
I Only Arsked
I Only Arsked
1958 · 6.1
36 Hours
36 Hours
1953 · 6.1
A Tale of Five Cities
A Tale of Five Cities
1951 · 5.0
Jackpot
Jackpot
1960 · 6.0
The Case of The Smiling Widow
The Case of The Smiling Widow
1957 · 8.0
See all fromMontgomery Tully

More like this

Dream Lover
Dream Lover
1994 · 6.8
A Perfect Murder
A Perfect Murder
1998 · 6.6
Dial M for Murder
Dial M for Murder
1954 · 8.0
Deep Water
Deep Water
2022 · 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
Shirley
Shirley
2020 · 6.1
Gone Girl
Gone Girl
2014 · 7.9
Strung
Strung
2026 · 7.5
The File on Thelma Jordon
The File on Thelma Jordon
1949 · 6.5
Othello
Othello
1951 · 7.4

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 YouTube and Amazon Video. 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?

The Third Alibi isn't included with a Prime Video subscription in Canada, 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 Tubi TV and Plex in Canada.