Teenagers stumble across a prehistoric caveman, who goes on a rampage.
Arch Hall Jr.
Tom Nelson
Richard Kiel
Eegah
Marilyn Manning
Roxy Miller
Arch Hall Sr.
Robert Miller
Lloyd Williams
Mr. Kruger - Helicopter Pilot (as William Lloyd)
Bob Davis
George
Addalyn Pollitt
George’s Wife
Ray Dennis Steckler
Mr. Fishman
Carolyn Brandt
Fishman's Girl (uncredited)
