
Jason Robards
Admiral James Sandecker

Richard Jordan
Dirk Pitt

David Selby
Dr. Gene Seagram

Anne Archer
Dana Archibald

Alec Guinness
John Bigalow

Bo Brundin
Captain Prevlov

M. Emmet Walsh
Master Chief Vinnie Walker

J.D. Cannon
Captain Joe Burke

Norman Bartold
Admiral Kemper

Elya Baskin
Marganin

Dirk Blocker
Merker
Robert Broyles
Willis

Paul Carr
CIA Director Nicholson

Michael C. Gwynne
Bohannon
Harvey Lewis
Kiel

Charles Macaulay
General Dale Busby

Stewart Moss
Koplin

Michael Pataki
Munk
Marvin Silbersher
Soviet Ambassador Antonov

Mark L. Taylor
Spence
Maurice Kowalewski
Dr. Silverstein

Nancy Nevinson
Sarah Martindale

Sander Vanocur
Commentator

Michael Ensign
Lieutenant Northacker

Hilly Hicks
Woodson
Clive Cussler
Bearded Reporter (uncredited)