In the dark silence of the sea during World War II, the submarine USS Tiger Shark prowls on what should be a routine rescue mission. But for the shell-shocked crew, trapped together in the sub's narrow corridors and constricted spaces, this is about to become a journey into the sensory delusions, mental deceptions and runaway fears that lurk just below the surface of the ocean.
Matthew Davis
as Odell
Bruce Greenwood
as Brice
Olivia Williams
as Claire
Zach Galifianakis
as Weird Wally
Scott Foley
as Coors
Holt McCallany
as Loomis
Nick Chinlund
as Chief
Jason Flemyng
as Stumbo
Dexter Fletcher
as Kingsley
Andrew Howard
as Hoag
Christopher Fairbank
as Pappy
Matthew Leitch
as Zap
