The Sister in Law
“She Helped Her Husband Destroy His Brother By The Most Immoral Act Imaginable”
We checked 8 streaming services in India on 07 Jun 2026 at 05:49 IST
About
Robert and Edward are brothers involved in a web of adultery and deceit. They share Edward's wife and his mistress and a mission to deliver a package of jewels across the Canadian border, but the mission turns out to be deadly.
Cast
John Savage
as Robert Strong
Will MacMillan
as Edward Strong
Anne Saxon
as Joanna Strong
Meridith Baer
as Deborah Holt
Frank Adonis
as Benjo
Jonathan Oppenheim
as Fat Man
Tom Mahoney
as Thin Man
Jan DeCarlo
as Mrs. Strong
Jack Cooper
as Mr. Strong
Larry Sontag
as Hood
Gillian Gordon
as Lena
Michael Ruben
as John Strong
Ray Valente
as Messenger
Robert Baines
as Literary Agent
Bruce G. Sparks
as Producer #1
Carter Stevens
as Producer #2
Noel Casabona
as Hood
Lucien Bohbot
as Girl in Cafe
Where does The Sister in Law rank today?
The Sister in Law is #10000 on the CineFlixo Daily Streaming Charts today.
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Watch The Sister in Law Online Free in HD
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About The Sister in Law
“She Helped Her Husband Destroy His Brother By The Most Immoral Act Imaginable”
Robert and Edward are brothers involved in a web of adultery and deceit. They share Edward's wife and his mistress and a mission to deliver a package of jewels across the Canadian border, but the mission turns out to be deadly. Running 85 minutes.
The Sister in Law Cast and Characters
The cast features John Savage (as Robert Strong), Will MacMillan (as Edward Strong), Anne Saxon (as Joanna Strong), Meridith Baer (as Deborah Holt), and Frank Adonis (as Benjo). Their performances are a major reason The Sister in Law has built such a passionate audience.
Where to Watch The Sister in Law Online
Want to watch The Sister in Law online without paying? CineFlixo is the easiest way. Click play and the film starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch The Sister in Law NowWhy People Are Watching The Sister in Law
The Sister in Law flies under the radar but it deserves your attention. What makes it work is emotional weight that hits where it counts. If you enjoy Inglés storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about The Sister in Law
Where can I watch The Sister in Law online for free?
You can watch The Sister in Law online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is The Sister in Law?
The Sister in Law runs for 85 minutes (about 1.4 hour).
Is The Sister in Law good? What's the rating?
The Sister in Law holds a 3.3/10 rating based on 14 reviews — a niche pick worth checking out.
Who is in the cast of The Sister in Law?
The main cast includes John Savage, Will MacMillan, Anne Saxon, and Meridith Baer, plus a strong supporting ensemble.
Is The Sister in Law available in Inglés?
Yes — The Sister in Law was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was The Sister in Law released?
The Sister in Law was released in 1975.
Do I need an account to watch The Sister in Law on CineFlixo?
No. CineFlixo is free and you can watch The Sister in Law without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Movies You Might Like
If you enjoyed The Sister in Law, check out Stealing Beauty, Outside Providence, All the Good Ones Are Married, Restraint, and Humboldt County.
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Frequently Asked Questions
Common questions about The Sister in Law
Where can I watch The Sister in Law for free?
You can watch The Sister in Law (1975) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is The Sister in Law about?
The Sister in Law is a Drama English-language film. Robert and Edward are brothers involved in a web of adultery and deceit. They share Edward's wife and his mistress and a mission to deliver a package of jewels across the Canadian border, but the mission turns out to be deadly.
When was The Sister in Law released?
The Sister in Law was released on April 25, 1975. It has a runtime of 1h 25m. The film was produced by Loose Reel Productions.
Who stars in The Sister in Law?
The Sister in Law stars John Savage, Will MacMillan, Anne Saxon and Meridith Baer. The full cast list is available in the Cast section above.
Is The Sister in Law available in HD?
Yes, The Sister in Law is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.