Man has split the atom and ushered in a new era. But how could he know he would also create Them? Them! is a landmark movie about giant radiation-mutated ants that gets better with age and boasts remarkable, Academy Award -nominated special effects. Starring James Whitmore, James Arness and Edmund Gwenn, Them! begins in New Mexico with a child wandering in shock, a ransacked general store -- and a battered corpse full of enough formic a