"A gas is let loose upon the world that kills anyone over 25 years old."
Bud Cort
as Hooper
Talia Shire
as Coralee
Elaine Giftos
as Cilla
Cindy Williams
as Marissa
Ben Vereen
as Carlos
Bob Corff
as Coel
Alex Wilson
as Jason
Bruce Karcher
as Edgar Allen
George Armitage
as Billy the Kid
Raye Birk
as Mort Catafalque
Alan DeWitt
as Dr. Murder
Stephen White
as Sergeant Sentry Collar
Lou Procopio
as Marshal McLuhan
Phil Borneo
as Quant
Alan H. Braunstein
as Dr. Drake
Jackie Farley
as Ginny
David Osterhout
as Texas Ranger
Juretta Taylor
as Zoe
Michael D. Castle
as Burroughs
Abe Santillanes
as Na Wanka
Gary Caplan
as Raincoat Harry
Janice Maureen Odell
as Cheerleader
Roger Corman
Director
Screenplay
Barry Melton
Additional Music
Charles S. Swartz
Production Executive
Stephanie Rothman
Vana Carroll
Wardrobe Master
Location Manager
Dean Cundey
Makeup Artist
Eric Maxwell
Key Grip
Associate Producer
Ron Dexter
Director of Photography
Country Joe and the Fish
Original Music Composer
David Nichols
Art Direction
Paul Rapp
Production Manager
Robert Dijoux
Assistant Director
Stephan Graham
Set Decoration
James M. Tanenbaum
Sound
Producer
George Van Noy
Editor
Frances Doel
Producer's Assistant
