Two sisters on Mexican vacation are trapped in a shark observation cage at the bottom of the ocean, with oxygen running low and great whites circling nearby, they have less than an hour of air left to figure out how to get to the surface.
Mandy Moore
as Lisa
Claire Holt
as Kate
Matthew Modine
as Taylor
Chris Johnson
as Javier
Yani Gellman
as Louis
Santiago Segura
as Benjamin
Axel Mansella
as Band Leader
Mayra Juárez
as Sammie (uncredited)
