To obtain a supply of a rare mineral, a ship raising operation is conducted for the only known source, the Titanic.
Jason Robards
as Admiral James Sandecker
Richard Jordan
as Dirk Pitt
David Selby
as Dr. Gene Seagram
Anne Archer
as Dana Archibald
Alec Guinness
as John Bigalow
Bo Brundin
as Captain Prevlov
M. Emmet Walsh
as Master Chief Vinnie Walker
J.D. Cannon
as Captain Joe Burke
Norman Bartold
as Admiral Kemper
Ilya Baskin
as Marganin
Dirk Blocker
as Merker
Robert Broyles
as Willis
