Them!

The earliest atomic tests in New Mexico cause common ants to mutate into giant man-eating monsters that threaten civilization.

Director: Gordon Douglas

Cast:James Whitmore , Edmund Gwenn , Joan Weldon , James Arness , Onslow Stevens , Sean McClory , Christian Drake , Sandy Descher , Mary Alan Hokanson , Don Shelton , Fess Parker , Olin Howland , Richard Bellis , John Beradino , Robert Berger , Oscar Blank , Willis Bouchey , Richard Boyer