The BioMonster
James L. Miles
Caitlan Palmer
Dorothy Best
Mutating Pregnant Wife
Maddisen K. Krown
Male Model
Ken Kupstis
Kelly
John Latshaw
Ryan Palmer
Ryan Latshaw
Brandon Wellesley
Charles Maginnis
Lt. Warren
John Maynard
Dr. Lynch
Patrick Doran
Mr. Esper
Gersh Morningstar
Driver
Jack Nieberlain
Mutating Husband
Paul Austin Sanders
Newspaper Editor
Robin Chapman
The Fixer
Keith Tuxhorn
Dr. Phillips
Katherine Walsh
Mike Reardon
Steve Zurk
Donald Brady
Christopher Mitchum
Det. Morley
John Alexander
Shana Alexander
Catherine Collier
Donner
Trevor David
Quint
Tom Ferguson
Nicki Carstairs
Susan Aronson
Mr. Babb
William Grefé
Co-Executive Producer
Jim Wynorski
Special Effects
John Carl Buechler
Director
Steve Latshaw
Writer
Co-Producer
Executive Producer
Fred Olen Ray
Screenplay
Patrick Moran
Producer