As a result of nuclear testing, gigantic, ferocious mutant ants appear in the American desert southwest, and a father-daughter team of entomologists join forces with the state police officer who first discovers their existence, an FBI agent and, eventually, the US Army to eradicate the menace, before it spreads across the continent — and the world.
James Whitmore
James Arness
Joan Weldon
Edmund Gwenn
Onslow Stevens
Sean McClory
Sandy Descher
Chris Drake
Don Shelton
Fess Parker
Mary Alan Hokanson
Olin Howland
William Schallert
Ann Doran
Dub Taylor