Cort Eastman
Ross Hagen
Andrew Paris
Jeffrey Combs
Pedro
Tony Lorea
Mutant
Gary J. Levinson
Bob Ivy
Dr. Chambers
William Smith
Cavegirl
Tricia Brown
Eddy Colchilde
Dawn Wildsmith
Prof. Strock
Robert Quarry
Denae Chambers
Susan Stokey
Alien Queen
Sybil Danning
Cave Bunny
Michelle Bauer
Bill
Russ Tamblyn
Picnic Guy
Michael Sonye
Picnic Girl
Victoria Alexander
Director of Photography
Gary Graver
Director
Fred Olen Ray
Producer
Screenplay
Production Design
Corey Kaplan
Art Direction
Visual Effects
Associate Producer
Salvatore Richichi
Nick Marino
Co-Producer
Tony Brewster
T.L. Lankford
Original Music Composer
Robert Garrett
Editor
William Shaffer
Costume Design
Jill Conners
Makeup Effects
Paul Rinehard
Mark Wolf