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