Director: Gordon Douglas
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
Sgt. Ben Peterson
James Arness
FBI Agent Robert Graham
Joan Weldon
Dr. Pat Medford
Edmund Gwenn
Dr. Harold Medford
Onslow Stevens
Brig. Gen. Robert O'Brien
Sean McClory
Maj. Kibbee
Sandy Descher
The Ellinson Girl
Chris Drake
Trooper Ed Blackburn
Don Shelton
Trooper Capt. Fred Edwards
Fess Parker
Alan Crotty
Mary Alan Hokanson
Mrs. Lodge
Olin Howland
Jensen
William Schallert
Ambulance Attendant
Ann Doran
Child Psychiatrist
Dub Taylor
Railroad Yard Watchman
Leonard Nimoy
Army Sergeant
Richard Deacon
Bald Reporter at L.A. News Conference
Forbes Murray
Government Official
Kenner G. Kemp
Trooper #2
Charles Perry
Soldier
