
A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way south.

as Col. Joe Parkman

as Dr. Nedrick 'Ned' Jackson

as Marge Blaine

as Gen. Mark Ford

as Prof. Anton Gunther

as Corporal

as Lt. Fred Pizar

as Sgt. Pete Allen

as Lou

as Mrs. Farley

as State Trooper

as Capt. Frank Carver

as Narrator (voice)

as Photographer (uncredited)

as C-47 Pilot (uncredited)