Movies Like The Neptune Factor
If you loved The Neptune Factor's Action and Science Fiction storytelling, these films deliver a similar experience — carefully selected for tone, themes, and emotional depth. Each pick includes where to watch it right now.
★ Top Picks

Underwater
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.

20,000 Leagues Under the Sea
A ship sent to investigate a wave of mysterious sinkings encounters the advanced submarine, the Nautilus, commanded by Captain Nemo.

The Meg
A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.

Meg 2: The Trench
An exploratory dive into the deepest depths of the ocean of a daring research team spirals into chaos when a malevolent mining operation threatens their mission and forces them into a high-stakes battle for survival.

Gray Lady Down
The USS Neptune, a nuclear submarine, is sunk off the coast of Connecticut after a collision with a Norwegian cargo ship. The navy must attempt a potentially dangerous rescue in the hope of saving the lives of the crew.

Creature from the Black Lagoon
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.

Fantastic Voyage
In order to save an assassinated scientist, a submarine and its crew are shrunk to microscopic size and injected into his bloodstream.

Mission: Impossible - The Final Reckoning
Ethan Hunt and team continue their search for the terrifying AI known as the Entity — which has infiltrated intelligence networks all over the globe — with the world's governments and a mysterious ghost from Hunt's past on their trail. Joined by new allies and armed with the means to shut the Entity down for good, Hunt is in a race against time to prevent the world as we know it from changing forever.
More Movies Like The Neptune Factor

Ice Station Zebra
A top-secret Soviet spy satellite -- using stolen Western technology -- malfunctions and then goes into a descent that lands it near an isolated Arctic research encampment called Ice Station Zebra, belonging to the British, which starts sending out distress signals before falling silent. The atomic submarine Tigerfish, commanded by Cmdr. James Ferraday (Rock Hudson), is dispatched to save them.

The Sea Beast
When a young girl stows away on the ship of a legendary sea monster hunter, they launch an epic journey into uncharted waters — and make history to boot.

Godzilla
Ford Brody, a Navy bomb expert, has just reunited with his family in San Francisco when he is forced to go to Japan to help his estranged father, Joe. Soon, both men are swept up in an escalating crisis when an ancient alpha predator arises from the sea to combat malevolent adversaries that threaten the survival of humanity. The creatures leave colossal destruction in their wake, as they make their way toward their final battleground: San Francisco.

U-571
In the midst of World War II, the battle under the sea rages and the Nazis have the upper hand as the Allies are unable to crack their war codes. However, after a wrecked U-boat sends out an SOS signal, the Allies realise this is their chance to seize the 'enigma coding machine'.

Waterworld
In a futuristic world where the polar ice caps have melted and made Earth a liquid planet, a beautiful barmaid rescues a mutant seafarer from a floating island prison. They escape, along with her young charge, Enola, and sail off aboard his ship. But the trio soon becomes the target of a menacing pirate who covets the map to 'Dryland'—which is tattooed on Enola's back.

Mysterious Island
During the US Civil War, Union POWs escape in a balloon and end up stranded on a South Pacific island, inhabited by giant plants and animals. They must use their ingenuity to survive the dangers, and to devise a way to return home. Sequel to '20,000 Leagues Under the Sea' .

Atlantis: The Lost Empire
A young linguist named Milo Thatch joins an intrepid group of explorers to find the mysterious lost continent of Atlantis.

Love and Monsters
Seven years since the Monsterpocalypse began, Joel Dawson has been living underground in order to survive. But after reconnecting over radio with his high school girlfriend Aimee, Joel decides to venture out to reunite with her, despite all the dangerous monsters that stand in his way.

65
65 million years ago, the only 2 survivors of a spaceship from Somaris that crash-landed on Earth, must fend off dinosaurs to reach the escape vessel in time before an imminent asteroid strike threatens to destroy the planet.

Kursk
Barents Sea, August 12th, 2000. During a Russian naval exercise, and after suffering a serious accident, the K-141 Kursk submarine sinks with 118 crew members on board. While the few sailors who are still alive barely manage to survive, their families push for accurate information and a British officer struggles to obtain from the Russian government a permit to attempt a rescue before it is late. But general incompetence are against all their efforts.

The Black Hole
The explorer craft USS Palomino is returning to Earth after a fruitless 18-month search for extra-terrestrial life when the crew comes upon a supposedly lost ship, the USS Cygnus, hovering near a black hole. The ship is controlled by Dr. Hans Reinhardt and his monstrous robot companion, but the initial wonderment and awe the Palomino crew feel for the ship and its resistance to the power of the black hole turn to horror as they uncover Reinhardt's plans.

Kong: Skull Island
Explore the mysterious and dangerous home of the king of the apes as a team of explorers ventures deep inside the treacherous, primordial island.
Why These Movies Are Similar
These recommendations share core qualities with The Neptune Factor (1973): Action and Science Fiction themes, similar narrative structure, and comparable emotional depth. NoBadPicks uses a combination of TMDB collaborative filtering, genre matching, and AI analysis to surface films most likely to resonate with fans of The Neptune Factor.
See full details for The Neptune Factor (1973)