
DeepStar Six(1989)
The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.


“The only way out is down.”
Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.

Richard Roxburgh
Frank

Ioan Gruffudd
Carl

Rhys Wakefield
Josh

Alice Parkinson
Victoria

Dan Wyllie
Crazy George

Christopher James Baker
J.D.

Nicole Downes
Liz

Allison Cratchley
Judes

Cramer Cain
Luko

Andrew Hansen
Dex
Sanctum is a action, thriller film released in 2011 exploring themes of expedition, cave, based on true story, scuba diving, papua new guinea, hypothermia. Directed by Alister Grierson, it stars Richard Roxburgh, Ioan Gruffudd, Rhys Wakefield. Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.
Discover titles like Sanctum — ranked by similarity and community votes
We found 15 movies similar to Sanctum
If you enjoyed Sanctum, you'll love these handpicked recommendations. Each title below shares similar themes, tone, and storytelling style. Our algorithm analyzes genres, keywords, director filmography, and cast connections to find the closest matches. Whether you're looking for the same emotional depth, narrative structure, or visual style, these picks are curated to deliver the best viewing experience for fans of Sanctum.

The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

Based on the true nail-biting mission that captivated the world. Twelve boys and the coach of a Thai soccer team explore the Tham Luang cave when an unexpected rainstorm traps them in a chamber inside the mountain. Entombed behind a maze of flooded cave tunnels, they face impossible odds. A team of world-class divers navigate through miles of dangerous cave networks to discover that finding the boys is only the beginning.

Four teenage girls go on a diving adventure to explore a submerged Mayan city. Once inside, their rush of excitement turns into a jolt of terror as they discover the sunken ruins are a hunting ground for deadly great white sharks. With their air supply steadily dwindling, the friends must navigate the underwater labyrinth of claustrophobic caves and eerie tunnels in search of a way out of their watery hell.

New York city mechanic Robert Saunders is knocked unconscious at his birthday dinner by Russian thugs and wakes up to find himself locked inside the restaurant's industrial freezer. This ruthless gang demand he return the $8 million he has stolen from them. The only problem Robert has no idea what they are talking about. But as the temperature drops and the terror grows, the shocking truth begins to emerge as Robert struggles to survive.

After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.

The story of the battle of Iwo Jima between the United States and Imperial Japan during World War II, as told from the perspective of the Japanese who fought it.

When a covert mission to rescue a kidnapped CIA operative uncovers a chilling plot, an elite, highly trained U.S. SEAL team speeds to hotspots around the globe, racing against the clock to stop a deadly terrorist attack.

Kyrah and Isaac were once the leaders of a multinational special forces group called Shadow Force. They broke the rules by falling in love, and in order to protect their son, they go underground. With a large bounty on their heads, and the vengeful Shadow Force hot on their trail, one family's fight becomes all-out war.

When they take some friends on an extreme sport adventure, the last thing Jared and Sam expect to see below the shark-infested waters is a legendary pirate ship rumored to contain millions of dollars in gold. But their good fortune is short-lived, as a ruthless gang of criminals gets word of what they have uncovered.

Modern treasure hunters, led by archaeologist Ben Gates, search for a chest of riches rumored to have been stashed away by George Washington, Thomas Jefferson and Benjamin Franklin during the Revolutionary War. The chest's whereabouts may lie in secret clues embedded in the Constitution and the Declaration of Independence, and Gates is in a race to find the gold before his enemies do.

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.

The enthralling, against-all-odds story that transfixed the world in 2018: the daring rescue of twelve boys and their coach from deep inside a flooded cave in Northern Thailand.

The chilling true story of a newly married FBI poster boy assigned to an Appalachian mountain town in Kentucky. There he is drawn into an illicit affair with an impoverished local woman who becomes his star informant. She sees in him her means of escape; instead, it's a ticket to disaster for both of them.

After a personal tragedy, Sarah joins her friends on a caving expedition in the Appalachian Mountains. But when a rockfall traps them deep underground, their adventure turns into a nightmare. As they search for a way out, the group discovers they are not alone—lurking in the darkness are savage, cave-dwelling creatures. With rising tension and dwindling trust, the women must fight to survive against both the predators and each other.