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