The Unknown Quantity
We checked 8 streaming services in India on 06 Jun 2026 at 14:41 IST
About
Mary Boyne, who made shirts at four dollars a week, had no place for love in her life - only despair and hate for the son of the man who had plunged her family into deepest distress. Peter Kenwitz loved Mary, but because he was a mathematician and a pessimist by trade, his love was as hopeless as her chance for happiness.
Cast
Where does The Unknown Quantity rank today?
The Unknown Quantity is #10000 on the CineFlixo Daily Streaming Charts today.
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Watch The Unknown Quantity Online Free in HD
Stream The Unknown Quantity online free in HD on CineFlixo. A highly acclaimed drama movie originally produced in Inglés and released in 1919, it's earned a solid 8.0/10 from 1 viewers worldwide.
About The Unknown Quantity
Mary Boyne, who made shirts at four dollars a week, had no place for love in her life - only despair and hate for the son of the man who had plunged her family into deepest distress. Peter Kenwitz loved Mary, but because he was a mathematician and a pessimist by trade, his love was as hopeless as her chance for happiness. Running 50 minutes.
The Unknown Quantity Cast and Characters
The cast features Corinne Griffith (as Mary Boyne), Huntley Gordon (as Dan Kinsolving), Harry Davenport (as Septimus Kinsolving), Jack McLean (as Sammy Boyne), and Jack Ridgeway (as Thomas Boyne). Their performances are a major reason The Unknown Quantity has built such a passionate audience.
Where to Watch The Unknown Quantity Online
On CineFlixo you can watch The Unknown Quantity free — no account, no credit card, no ads in the middle of the show. We stream the full film in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch The Unknown Quantity NowWhy People Are Watching The Unknown Quantity
There's a reason The Unknown Quantity keeps showing up on "must-watch" lists. 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 Unknown Quantity
Where can I watch The Unknown Quantity online for free?
You can watch The Unknown Quantity 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 Unknown Quantity?
The Unknown Quantity runs for 50 minutes (about 0.8 hour).
Is The Unknown Quantity good? What's the rating?
The Unknown Quantity holds a 8.0/10 rating based on 1 reviews — genuinely excellent.
Who is in the cast of The Unknown Quantity?
The main cast includes Corinne Griffith, Huntley Gordon, Harry Davenport, and Jack McLean, plus a strong supporting ensemble.
Is The Unknown Quantity available in Inglés?
Yes — The Unknown Quantity 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 Unknown Quantity released?
The Unknown Quantity was released in 1919.
Do I need an account to watch The Unknown Quantity on CineFlixo?
No. CineFlixo is free and you can watch The Unknown Quantity 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 Unknown Quantity, check out The Marble Heart, Morganson's Finish, Nets of Destiny, Racing Romance, and The Antique Engagement Ring.
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Frequently Asked Questions
Common questions about The Unknown Quantity
Where can I watch The Unknown Quantity for free?
You can watch The Unknown Quantity (1919) 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 Unknown Quantity about?
The Unknown Quantity is a Drama English-language film. Mary Boyne, who made shirts at four dollars a week, had no place for love in her life - only despair and hate for the son of the man who had plunged her family into deepest distress. Peter Kenwitz loved Mary, but because he was a mathematician and a pessimist by trade, his love was as hopeless as her chance for happiness.
When was The Unknown Quantity released?
The Unknown Quantity was released on April 14, 1919. It has a runtime of 50m. The film was produced by Vitagraph Company of America.
Who stars in The Unknown Quantity?
The Unknown Quantity stars Corinne Griffith, Huntley Gordon, Harry Davenport and Jack McLean. The full cast list is available in the Cast section above.
Is The Unknown Quantity available in HD?
Yes, The Unknown Quantity is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.