Synopsis
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.
Cast

Matthew Davis
Odell

Bruce Greenwood
Brice

Olivia Williams
Claire

Zach Galifianakis
Weird Wally

Scott Foley
Coors

Holt McCallany
Loomis

Nick Chinlund
Chief

Jason Flemyng
Stumbo

Dexter Fletcher
Kingsley

Andrew Howard
Hoag

Christopher Fairbank
Pappy

Matthew Leitch
Zap
Jonathan Hartman
Bernard Schillings

David Twohy
British Captain
Chuck Ellsworth
Navy Pilot
Crispin Layfield
Navy Lookout

Sebastian Knapp
Sonar #1
Max Casali
Air Manifold
Alexis Conran
Helmsman
Gary Broadway
Mess Steward

Tim Plester
Motormac
Craig Blake
Steward
Mitchell Barnett
Bow Planesman

David Crow
Sonar #2
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