Synopsis
An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All chapters are presumed lost.
Movie Information
- Director
- George L. Sargent
- Release Year
- 1916
- Runtime
- 360 minutes
- Genre
- Action, Adventure
- Language
- EN
- Country
- United States of America
- Status
- Released
Top Cast
Juanita Hansen
Cleo Burke
Tom Chatterton
Lt. Jarvis Hope
Hylda Hollis
Olga Ivanoff
Lamar Johnstone
Gerald Morton
George Clancey
Hook Barnacle
William Tedmarsh
Tatsuma
Harry Edmondson
Sextus
George Webb
Mahlin
Ready to watch The Secret of the Submarine?
Pick a streaming source and press play — free, HD, no signup.
▶ Watch The Secret of the Submarine FreeSimilar Movies
Godzilla 1985
1985 ★ 6.8
Back to Liberty
1927 ★ 7.0
Lorelei: The Witch of the Pacific Ocean
2005 ★ 6.3
Depth Charge
2008 ★ 5.0
Battle Under Orion
2009 ★ 5.6
The Hurricane Express
1932 ★ 5.4
Wild West Days
1937 ★ 8.0
The Sea Hawk
1924 ★ 6.8
King of the Royal Mounted
1940 ★ 7.5
The Phantom Foe
1920 ★ 7.0
Der Unüberwindliche
1928 ★ 10.0
Pirate Gold
1920 ★ 7.0
Operation Delta Force 2: Mayday
1998 ★ 4.5
The Neptune Factor
1973 ★ 5.1
You May Also Like
Solo: A Star Wars Story
2018 ★ 6.6
The Fate of the Furious
2017 ★ 6.9
Mission: Impossible - The Final Reckoning
2025 ★ 7.2
Eight Below
2006 ★ 7.0
Pirates of the Caribbean: Dead Men Tell No Tales
2017 ★ 6.7
The Lost World
2001 ★ 6.2
Jurassic World Rebirth
2025 ★ 6.3
The Deep
1977 ★ 6.1
Treasure Island
1990 ★ 6.7
Black Gold
2011 ★ 6.5
Battlestar Galactica
1978 ★ 6.9
20,000 Leagues Under the Sea
1954 ★ 7.1
Alita: Battle Angel
2019 ★ 7.3
The High and the Mighty
1954 ★ 6.0
More Action Movies
Spider-Man: Brand New Day
2026 ★ 7.9
The Odyssey
2026 ★ 8.0
Colony
2026 ★ 8.1
Facing El Chapo
2026 ★ 8.8
Spider-Man: No Way Home
2021 ★ 7.9
Supergirl
2026 ★ 6.7
The Avengers
2012 ★ 8.1
Avengers: Infinity War
2018 ★ 8.2
The Mandalorian and Grogu
2026 ★ 7.5
Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025 ★ 8.8
Masters of the Universe
2026 ★ 7.2
The Shadow's Edge
2025 ★ 8.2
Spider-Man: Across the Spider-Verse
2023 ★ 8.3
The Odyssey
2026 ★ 4.0
More with Juanita Hansen
Sensation Hunters
1933 ★ 3.7
The Yellow Arm
1921 ★ 10.0
The Brass Bullet
1918
Dangers of a Bride
1917
The Jungle Princess
1920 ★ 5.3
Lost: A Cook
1917
Martyrs of the Alamo
1915 ★ 5.2
The Broadway Madonna
1922 ★ 9.0
A Midnight Romance
1919 ★ 10.0
Fast Company
1918
The Failure
1915
The Lost City
1920 ★ 9.0
The Eternal Flame
1922 ★ 10.0
The Patchwork Girl of Oz
1914 ★ 5.1
More from George L. Sargent
Trending Now
Mayday
2026 ★ 7.7
The Runner
2026 ★ 6.5
Coyote vs. Acme
2026 ★ 7.6
Obsession
2026 ★ 8.2
Backrooms
2026 ★ 7.1
The Whisper Man
2026 ★ 6.8
Toy Story 5
2026 ★ 8.3
Mutiny
2026 ★ 6.4
Buddy
2026 ★ 8.3
I Want Your Sex
2026 ★ 6.1
Project Hail Mary
2026 ★ 8.6
Just Play Dead
2026 ★ 6.6
The Girl in the River
2026 ★ 7.8
Minions & Monsters
2026 ★ 7.6
Popular This Week
Explore related titles
Frequently Asked Questions
Where can I watch The Secret of the Submarine online for free?
You can watch The Secret of the Submarine (1916) online for free in HD on FreeFlix. No signup or subscription is required — just open this page and click play.
Is The Secret of the Submarine available in HD?
Yes. FreeFlix offers The Secret of the Submarine in full HD with multiple mirror sources, so if one source is slow you can switch in one click.
What is The Secret of the Submarine about?
An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All chapters are presumed lost.
Do I need to register or pay?
No. FreeFlix is completely free, with no registration, account, credit card, or hidden charges.