Based on an incident that occurred off the coast of Florida in 1973, this film tells the story of four men who find themselves trapped in a mini-submarine in the ocean depths.
Lee J. Cobb
Victor Bateman
Martin Balsam
T.C. Hollister
Joshua Bryant
Sam Wallants
Paul Michael Glaser
Jack Beech
Barra Grant
Grace Wallants
Warren J. Kemmerling
Cmdr. Prestwick (as Warren Kemmerling)
Cliff Potts
Gordon Gaines
Laurie Prange
Chris Moffet
