On Dangerous Ground poster
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On Dangerous Ground

6.019171h 12mMovieWarAdventure

Carlyle Blackwell stars as an American in Germany at the outbreak of World War I. A mysterious stranger bursts into his room and proclaims him her husband. What's a gentleman to do? He poses as her husband to deliver "papers" to French headquarters. Adventure follows.

DirectorRobert Thornby
WriterFrances Marion
ProducerWilliam A. Brady

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On Dangerous Ground was released on January 8, 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 Robert Thornby

CBCarlyle Blackwell
Carlyle Blackwell
Bradford Stewart
GKGail Kane
Gail Kane
Little Comrade
WBWilliam Bailey
William Bailey
Ritter Bloem
SWStanhope Wheatcroft
Stanhope Wheatcroft
Hugo Grossman
FLFrank Leigh
Frank Leigh
Monsieur Trapadoux
FAFlorence Ashbrooke
Florence Ashbrooke
Frau Bertha Schanne
JB
John Burkell
Hans

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The Beloved Vagabond
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The Secret Orchard
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The Road to France
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1918
Bulldog Drummond
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1922 · 8.0
The Key to Yesterday
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1914
Hitting the Trail
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1918
See all fromCarlyle Blackwell

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On Dangerous Ground — streaming FAQ

Which OTT platform streams On Dangerous Ground?

On Dangerous Ground isn't streaming anywhere in United Kingdom yet.

Is On Dangerous Ground on Netflix?

No, On Dangerous Ground is not on Netflix in United Kingdom as of September 2026.

Is On Dangerous Ground on Amazon Prime Video?

No, On Dangerous Ground isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch On Dangerous Ground for free?

On Dangerous Ground 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 On Dangerous Ground?

On Dangerous Ground 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 26, 1917. This is a prediction, not a confirmed date.