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