John Lithgow
John Mathewson
Christopher Collet
Paul Stephens
Cynthia Nixon
Jenny Anderman
Jill Eikenberry
Elizabeth Stephens
John Mahoney
Lt. Col. Conroy
Richard Jenkins
Radiation Controls Officer
Timothy Carhart
Relief Guard
Gregg Edelman
Science Teacher
JD Cullum
Eccles (as John David Cullum)
Abraham Unger
Roland (as Abe Unger)
Ned Eisenberg
C-4 Guy (uncredited)
Richard Council
Government Aide
Robert Schenkkan
Government Aide
Steve Blum
Laser Efficiency Kid (as Richard Cardona)
Sarah Burke
Jenny's Parent
Warren Manzi
Day Attendant
Ned Schmidtke
Jenny's Parent
Allen DeCheser
Jenny's Brother
Artie DeCheser
Jenny's Brother
Fred G. Smith
Conroy's Lieutenant
Charles Fields
Price (as Charlie Fields)
Heather Rose Dominic
Flirting Kid
Bruce Smolanoff
Flirting Kid
Tom Tarpey
Injection Doctor
Roger Caine
FBI (as Alec Massey)
Joan Harris
Barbara Collins - TV Reporter
Peter McRobbie
Electronics
Bruce Jarchow
Interrogator
Stephen Markle
Interrogator
Al Cerullo
Helicopter Pilot
Michael Telesco
Day Security Receptionist
Debbie Gibson
Background (uncredited)
