When a nuclear attack submarine crashes on the floor of the Artic ocean, it's up to a pair of research scientists to save the entire crew before time and oxygen run out.
Rick Postley
Laura Dyson
Harry Rheinhartdt
Commander Kirsch
Lt. Commander Melges
Sonar Chief Fleck
Lieutenant Hayes
Petty Officer Holliday
Lieutenant Weston
Navigation
Ballast
Dive
Miller
Chief of the Boat
Francis
Holliday's Girlfriend
Elise Weston
Weston's Daughter
Gate Guard
Sonar Assistant
Sailor
Sailor
Sailor
