The Black Secret
“Moving stealthily in the background, always keeping their tracks well covered, the perpetrators of the terrible Black Secret conducted heir campaign with Michiavellian ingenuity.”
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About
Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”; [2] “Marked for Death,”; [3] “The Gas Chamber,”; [4] “Below the Waterline,”; [5] “The Acid Bath,”; [6] “The Unknown,”; [7] “The Betrayal,”; [8] “A Crippled Hand,”; [9] “Woes of Deceit,”; [10] “The Inn of Dread,”; [11] “The Death Studio,”; [12] “The Chance Trail,"; [13] “Wings of Mystery,”; [14] “The Hidden Way,”; [15] “The Secret Host"
Cast
Where does The Black Secret rank today?
The Black Secret is #10000 on the CineFlixo Daily Streaming Charts today.
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Watch The Black Secret Online Free in HD
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About The Black Secret
“Moving stealthily in the background, always keeping their tracks well covered, the perpetrators of the terrible Black Secret conducted heir campaign with Michiavellian ingenuity.”
Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”; [2] “Marked for Death,”; [3] “The Gas Chamber,”; [4] “Below the Waterline,”; [5] “The Acid Bath,”; [6] “The Unknown,”; [7] “The Betrayal,”; [8] “A Crippled Hand,”; [9] “Woes of Deceit,”; [10] “The Inn of Dread,”; [11] “The Death Studio,”; [12] “The Chance Trail,"; [13] “Wings of Mystery,”; [14] “The Hidden Way,”; [15] “The Secret Host" Running 310 minutes.
The Black Secret Cast and Characters
The cast features Pearl White (as Evelyn Ereth), Walter McGrail (as Ray McKay), George B. Seitz (as German spy), Harry Semels, and Wallace McCutcheon Jr. (as Frederick). Their performances are a major reason The Black Secret has built such a passionate audience.
Where to Watch The Black Secret Online
Want to watch The Black Secret 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 Black Secret NowWhy People Are Watching The Black Secret
The Black Secret flies under the radar but it deserves your attention. What makes it work is action sequences that don't feel cheap. 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 Black Secret
Where can I watch The Black Secret online for free?
You can watch The Black Secret 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 Black Secret?
The Black Secret runs for 310 minutes (about 5.2 hours).
Is The Black Secret good? What's the rating?
The Black Secret holds a 0.0/10 rating based on 0 reviews — a niche pick worth checking out.
Who is in the cast of The Black Secret?
The main cast includes Pearl White, Walter McGrail, George B. Seitz, and Harry Semels, plus a strong supporting ensemble.
Is The Black Secret available in Inglés?
Yes — The Black Secret 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 Black Secret released?
The Black Secret was released in 1919.
Do I need an account to watch The Black Secret on CineFlixo?
No. CineFlixo is free and you can watch The Black Secret without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Common questions about The Black Secret
Where can I watch The Black Secret for free?
You can watch The Black Secret (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 Black Secret about?
The Black Secret is a Action/Adventure English-language film. Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”; [2] “Marked for Death,”; [3] “The Gas Chamber,”; [4] “Below the Waterline,”; [5] “The Acid Bath,”; [6] “The Unknown,”; [7] “The Betrayal,”; [8] “A Crippled Hand,”; [9] “Woes of Deceit,”; [10] “The Inn of Dread,”; [11] “The Death Studio,”; [12] “The Chance Trail,"; [13] “Wings of Mystery,”; [14] “The Hidden Way,”; [15] “The Secret Host"
When was The Black Secret released?
The Black Secret was released on January 2, 1919. It has a runtime of 5h 10m. The film was produced by George B. Seitz Productions.
Who stars in The Black Secret?
The Black Secret stars Pearl White, Walter McGrail, George B. Seitz and Harry Semels. The full cast list is available in the Cast section above.
Is The Black Secret available in HD?
Yes, The Black Secret is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.