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

Nick Hobbs
Captain Winters

Chris Bridgeman
Stern Planesman

Paul Bayfield
Radar Operator (uncredited)

Gary Bunn
Submariner (uncredited)

John Colton
Ensign Long (uncredited)

David Gries
Rescue Sailor (uncredited)

DJ Perry
Rescue Sailor (uncredited)