A gifted high school student steals plutonium from the secret nuclear weapons facility in his home town in order to construct his own nuclear bomb, win a national science fair, and expose the government's secrets.

John Lithgowas John Mathewson
Christopher Colletas Paul Stephens
Cynthia Nixonas Jenny Anderman
Jill Eikenberryas Elizabeth Stephens
John Mahoneyas Lt. Col. Conroy
Richard Jenkinsas Radiation Controls Officer
Sully Boyaras Night Guard
Timothy Carhartas Relief Guard
Gregg Edelmanas Science Teacher
JD Cullumas Eccles (as John David Cullum)
Billy Williams