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 Arness | FBI Agent Robert Graham |
Edmund Gwenn | Dr. Harold Medford |
Joan Weldon | Dr. Pat Medford |
James Whitmore | Sgt. Ben Peterson |
Onslow Stevens | Brig. Gen. Robert O'Brien |
Sean McClory | Maj. Kibbee |
Chris Drake | Trooper Ed Blackburn |
Sandy Descher | The Ellinson Girl |
Mary Alan Hokanson | Mrs. Lodge |
Don Shelton | Trooper Capt. Fred Edwards |
Fess Parker | Alan Crotty |
Olin Howland | Jensen |