Them!

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