Admiral James Sandecker

Jason Robards

Acting

Dirk Pitt

Richard Jordan

Acting

Dr. Gene Seagram

David Selby

Acting

Dana Archibald

Anne Archer

Acting

John Bigalow

Alec Guinness

Acting

Captain Prevlov

Bo Brundin

Acting

Master Chief Vinnie Walker

M. Emmet Walsh

Acting

Captain Joe Burke

J.D. Cannon

Acting

Admiral Kemper

Norman Bartold

Acting

Marganin

Ilya Baskin

Acting

Merker

Dirk Blocker

Acting

Willis

Robert Broyles

Acting

CIA Director Nicholson

Paul Carr

Acting

Bohannon

Michael C. Gwynne

Acting

Kiel

Harvey Lewis

Acting

General Dale Busby

Charles Macaulay

Acting

Koplin

Stewart Moss

Acting

Munk

Michael Pataki

Acting

Soviet Ambassador Antonov

Marvin Silbersher

Acting

Spence

Mark L. Taylor

Acting

Dr. Silverstein

Maurice Kowalewski

Acting

Sarah Martindale

Nancy Nevinson

Acting

Commentator

Sander Vanocur

Acting

Lieutenant Northacker

Michael Ensign

Acting

Woodson

Hilly Hicks

Acting

Bearded Reporter (uncredited)

Clive Cussler

Writing