‘The Devil’s Mouth’ Review: Cave Swimmers Become Chum in a Shark Thriller With Extra Claustrophobia

“Under Paris,” “Deep Water,” “Thrash,” “Chum” — the shark movies come so thick and fast these days, there’s scarcely any time between them to deem it safe to go back in the water. That said, if this recent run of films is to be believed, regular old beaches are fine these days. Seems the toothy…

This Thailand-set vacation thriller is neither silly nor gory enough to chum the waters for audiences at home.