Guy Madison

Lt. Phil Johnson

Mala

Sgt. Koovuk

Carole Mathews

Lt. Jane

Gloria Saunders

Alak

John Bryant

Enemy Pilot Alex

Philip Ahn

Taglu, a spy

Renny McEvoy

Sgt. Koops

Robert Bice

Chief Nanu

John Bleifer

Commissar Volgan

Gene Roth

Russian Colonel