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 Mathewson
John Lithgow
Paul Stephens
Christopher Collet
Jenny Anderman
Cynthia Nixon
Elizabeth Stephens
Jill Eikenberry
Lt. Col. Conroy
John Mahoney
Radiation Controls Officer
Richard Jenkins
Night Guard
Sully Boyar
Relief Guard
Timothy Carhart
Science Teacher
Gregg Edelman
Eccles (as John David Cullum)
JD Cullum
Roland (as Abe Unger)
Abraham Unger
Max
Robert Sean Leonard
Howard
Fred Melamed
C-4 Guy (uncredited)
Ned Eisenberg
Government Aide
Richard Council
Government Aide
Robert Schenkkan
Laser Efficiency Kid (as Richard Cardona)
Steve Blum
Jenny's Parent
Sarah Burke
Day Attendant
Warren Manzi
General
Paul Austin
Scientist
Adrian Sparks
Scientist
Curt Dempster
Lab Assistant
Bran Ferren
Tennis
David Quinn
Craig
Geoffrey Nauffts
Emma
Katherine Hiler
Terry
Trey Cummins
Local FBI
Steve Borton
Local FBI
Harlan Cary Poe
Jenny's Parent
Ned Schmidtke
Jenny's Brother
Allen DeCheser
Jenny's Brother
Artie DeCheser
Conroy's Lieutenant
Fred G. Smith
Moore
Manny Jacobs
Price (as Charlie Fields)
Charles Fields
Saito
Eric Hsiao
Flirting Kid
Heather Rose Dominic
Flirting Kid
Bruce Smolanoff
Cabbie
John Doumanian
Injection Doctor
Tom Tarpey
FBI (as Alec Massey)
Roger Caine
FBI
Edward D. Murphy
Barbara Collins - TV Reporter
Joan Harris
Command
Ken Chapin
Electronics
Peter McRobbie
Computer
Warren Keith
Interrogator
Bruce Jarchow
Interrogator
Stephen Markle
Helicopter Pilot
Al Cerullo
Day Security Receptionist
Michael Telesco
SWAT
Richard Caselnova
SWAT
Frank Ferrara Sr.
SWAT
Jimmie Ray Weeks
SWAT
Dan Butler
SWAT
Steve Zettler
Background (uncredited)
Debbie Gibson