Jason Robards, Jr. (Admiral James Sandecker)
Richard Jordan (Dirk Pitt)
Alec Guinness (John Bigalow)
David Selby (Dr. Gene Seagrave)
Anne Archer (Dana Archibald)
Paul Tuerpé (Klink)
Mark L. Taylor (Spence)
Ken Place (Drummer)
Nancy Nevinson (Sarah)
Sander Vanocuer (Commentator)
Michael Pataki (Munk)
Gabrielle de Cuir (Reporter #7)
Charles Macaulay (Actor/Actress)
Jonathan Moore (Capt. Parotkin)
Marvin Silbersher (Actor/Actress)
George Whiteman (Beck)
Stewart Moss (Koplin)
Harvey Lewis (Kiel)
Mike Kulcsar (Russian Sentry)
Elya Baskin (Pavel Marganin)
Dirk Blocker (Merker)
Robert Broyles (Willis)
Brendan Burns (Carter)
Paul Carr (Sam Nicholson)
Trent Dolan (Isbell)
Michael Ensign (Northacker)
Roy Evans (Gravedigger #1)
Maurice Kowalewski (Dr. Silverstein)
Hilly Hicks (Woodson)
Mark Hammer (Polevoi)
Norman Bartold (Kemper)
Michael Gwynne (Bohannon)
James W. Gavin (Helicopter Pilot)
J.D. Cannon (Capt. Joe Burke)
M. Emmet Walsh (MCPO Vinnie Giordino)
Bo Brundin (Capt. Andre Prelov)