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