Cast
Paul Lukas
Dr. Nagy
Garry Walberg
Submarine Captain
Mako
Yuro
Bill Quinn
Marine Colonel
James Whitmore
Overman
Sam Elliott
Bryant
Davis Roberts
Scientist
Byron Morrow
Defense Secretary
Skip Homeier
Lyman George
Adolph Caesar
Clarence Opano
Gene LeBell
Karate Instructor
Bill Zuckert
Army Colonel
Darren McGavin
Jacob Gallery
Broderick Crawford
Gen. Lewis Meyers