John Lithgow
John Mathewson
Acting
Christopher Collet
Paul Stephens
Acting
Cynthia Nixon
Jenny Anderman
Acting
Jill Eikenberry
Elizabeth Stephens
Acting
John Mahoney
Lt. Col. Conroy
Acting
Richard Jenkins
Radiation Controls Officer
Acting
Robert Sean Leonard
Max
Acting
Steve Blum
Laser Efficiency Kid (as Richard Cardona)
Acting
Sarah Burke
Jenny's Parent
Acting
Robert Schenkkan
Government Aide
Acting
Richard Council
Government Aide
Acting
Fred Melamed
Howard
Acting
Ned Eisenberg
C-4 Guy (uncredited)
Acting