"All-out war between the United States and an Asian country is averted when the two sides agree to settle their differences by each choosing a single soldier as champion and having the two men fight to the death on an isolated island."
Darren McGavin
as Jacob Gallery
Broderick Crawford
as Gen. Lewis Meyers
James Whitmore
as Overman
Skip Homeier
as Lyman George
Paul Lukas
as Dr. Nagy
Sam Elliott
as Bryant
Mako
as Yuro
Adolph Caesar
as Clarence Opano
Andre Philippe
as Swiss Official
Arianne Ulmer
as Sarah
Davis Roberts
as Scientist
Byron Morrow
as Defense Secretary
Bill Zuckert
as Army Colonel
Joseph Bernard
as Doctor
Gene LeBell
as Karate Instructor
Lew Brown
as Sergeant
Eddie Guardino
as Soldier
Garry Walberg
as Submarine Captain
Bill Quinn
as Marine Colonel
Michael Hinn
as Army Captain
Bert Allen
Set Decoration
Jack Sonntag
Production Supervisor
Joseph E. Rickards
Assistant Director
Jack Martin Smith
Art Direction
Mike Salamunovich
Unit Production Manager
L.B. Abbott
Special Effects
Lionel Newman
Music Supervisor
Ed Graves
Arthur Semon
Executive Story Editor
Marc Norman
Writer
Samuel E. Beetley
Post Production Supervisor
Walter M. Scott
George McCowan
Director
Jay Cipes
Producer
Stanford Tischler
Editor
Ed Palmer
Joseph Gluck
John M. Nickolaus Jr.
Director of Photography
Harry Geller
Original Music Composer