Calificación
Reparto

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