Jason Robards
Admiral James Sandecker
Acting
Richard Jordan
Dirk Pitt
Acting
David Selby
Dr. Gene Seagram
Acting
Anne Archer
Dana Archibald
Acting
Alec Guinness
John Bigalow
Acting
Bo Brundin
Captain Prevlov
Acting
M. Emmet Walsh
Master Chief Vinnie Walker
Acting
J.D. Cannon
Captain Joe Burke
Acting
Norman Bartold
Admiral Kemper
Acting
Ilya Baskin
Marganin
Acting
Dirk Blocker
Merker
Acting
Robert Broyles
Willis
Acting
Paul Carr
CIA Director Nicholson
Acting
Michael C. Gwynne
Bohannon
Acting
Harvey Lewis
Kiel
Acting
Charles Macaulay
General Dale Busby
Acting
Stewart Moss
Koplin
Acting
Michael Pataki
Munk
Acting
Marvin Silbersher
Soviet Ambassador Antonov
Acting
Mark L. Taylor
Spence
Acting
Maurice Kowalewski
Dr. Silverstein
Acting
Nancy Nevinson
Sarah Martindale
Acting
Sander Vanocur
Commentator
Acting
Michael Ensign
Lieutenant Northacker
Acting
Hilly Hicks
Woodson
Acting
Clive Cussler
Bearded Reporter (uncredited)
Writing