A nuclear-plant leak turns a bus-load of children into murderous atomic zombies with black fingernails.
Martin Shakar
as John Freemont
Gil Rogers
as Sheriff Billy Hart
Gale Garnett
as Cathy Freemont
Shannon Bolin
as Molly
Tracy Griswold
as Deputy Harry Timmons
Joy Glaccum
as Suzie MacKenzie
Jeptha Evans
as Paul MacKenzie
Clara Evans
as Jenny Freemont
Sarah Albright
as Ellen Chandler
Nathanael Albright
as Tommy Button
Julie Carrier
as Janet Shore
Edward Terry
as Hank
