Poseidon Rex (2014): cast, story & where to watch

Released in 2014, Poseidon Rex is an action, horror and science fiction film directed by Mark L. Lester, running about 76 minutes. “Half Dinosaur, Half Sea Monster, All Trouble” — that tagline sets the tone.

What it’s about. Jackson Slate, famous treasure hunter, is out to find the legendary Lost Gold Of Cortez in the open waters off a secluded island in the Caribbean Sea. Using dynamite to blast his way through centuries of silt, new chasms are created reaching miles below the ancient ocean floor. From here, an ancient evil is released, that quickly, savagely, and without warning, destroys Jackson s boat and kills his crew. The sole survivor of the carnage, Jackson teams up with marine biologist, Sarah, to venture back to the site and investigate the horrific events. They extract an egg from the darkest depths of the ocean and take it back to the lab to investigate. But when it hatches, they realise they have awaken a deadly prehistoric monster, the P-Rex, which will stop at nothing until the entire island is destroyed...

Who’s in it. Poseidon Rex stars Brian Krause as Jackson Slate, Anne McDaniels as Sarah, Steven Helmkamp as Rod and Candice Nunes as Jane, among others.

How it landed. With an audience score of 4.1/10, Poseidon Rex has proved divisive with audiences.

Where to watch. In US you can stream it on Cineverse Amazon Channel. See the full, country-by-country breakdown on our where to watch Poseidon Rex page.

If you liked it. Fans of Poseidon Rex tend to enjoy The Dark Knight, The Lord of the Rings: The Return of the King, Inception and The Lord of the Rings: The Fellowship of the Ring.