The Heart of a Lion poster
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The Heart of a Lion

19171h 10mMovieDrama

Hiram Danforth (William Farnum) is on a quest to find his birth mother, a search complicated by his upbringing and the social context of the time. The movie explores the themes of his murky, repressed past, and the journey he undertakes to uncover it.

DirectorFrank Lloyd

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The Heart of a Lion was released on December 15, 1917 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Frank Lloyd

WFWilliam Farnum
William Farnum
Barney Kemper
MMMary Martin
Mary Martin
Margaret Danforth
WJWilliam Courtleigh Jr.
William Courtleigh Jr.
Dick Kemper
WHWanda Hawley
Wanda Hawley
Iola Hamilton
WLWalter Law
Walter Law
Tex
MRMarc Robbins
Marc Robbins
Hiram Danforth M.D.
RB
Rita Bori
Dolly

More from William Farnum · Lead actor

Samson and Delilah
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1949 · 6.6
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1952 · 5.7
Sharad of Atlantis
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1936 · 4.4
Cleopatra
Cleopatra
1934 · 6.1
A Woman's Face
A Woman's Face
1941 · 6.8
Lone Star
Lone Star
1952 · 5.7
The Adventurer
The Adventurer
1920 · 8.0
The Mummy's Curse
The Mummy's Curse
1944 · 5.5
The Spoilers
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1942 · 6.2
For Freedom
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1918
See all fromWilliam Farnum

More from Mary Martin · Co-star actress

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More from Frank Lloyd · Director

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The Last Command
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For Freedom
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1918
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Blood on the Sun
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Wells Fargo
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Forever and a Day
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The Heart of a Lion — streaming FAQ

Which OTT platform streams The Heart of a Lion?

The Heart of a Lion isn't streaming anywhere in United Kingdom yet.

Is The Heart of a Lion on Netflix?

No, The Heart of a Lion is not on Netflix in United Kingdom as of September 2026.

Is The Heart of a Lion on Amazon Prime Video?

No, The Heart of a Lion isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch The Heart of a Lion for free?

The Heart of a Lion isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for The Heart of a Lion?

The Heart of a Lion hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around February 2, 1918. This is a prediction, not a confirmed date.