General Randolph
Aldo Ray
Lisa Martyn
Angelique Pettyjohn
Richard
Robin Schurtz
Maggie
Cynthia Hartline
Medic #1
Donald G. Jackson
Medic #2
Fred Olen Ray
The Bio-Monster
Christopher Ray
Jenny
Loren Crabtree
Mitchell Carter
William Fair
Rieger
David O'Hara
Mike Hodgson
Frank McDonald
Dr. Williams
Art Payton
Jack Murphy
Charles Roth
Rula Murphy
Carroll Borland
Roger
Richard Hench
Decker
Mike Bonavia
Assistant Director
Director
Writer
Producer
Music
Drew Neumann
Director of Photography
Paul Elliott
Additional Dialogue
T.L. Lankford
Miriam L. Preissel
Associate Producer
Executive Producer
Co-Producer
Bret Mixon
Editor
Creature Design
Kenneth J. Hall