Dr. Sominus (as G.W. Lawrence)
Jason's Father (as G.W. Lawrence)
Detective Simpson (as G.W. Lawrence)
Kidnapper (as G.W. Lawrence)
Chief Brisco (as G.W. Lawrence)
Marilyn's Husband (uncredited)
The Killer (as G.W. Lawrence)
Dr. Peterson (as G.W. Lawrence)
Dr. Van Allen (as G.W. Lawrence)
Chief Brisco (as G.W. Lawrence)
Jake Bannister (as G.W. Lawrence)
Jake Bannister (as G.W. Lawrence) (archival footage)
Private Olaf Van Gutman (as G.W. Lawrence)
Actor in Movie (as G.W. Lawrence)
Officer Collins (as G.W. Lawrence)
Police Officer (as G.W. Lawrence)
Warden / Warlock (as G.W. Lawrence)
Brisco (as G.W. Lawrence)
David Markham (as G.W. Lawrence)
The Stranger (as G.W. Lawrence)
Buster (as G.W. Lawrence)
Bikini Girl Killer (as G.W. Lawrence)
Invisible Killer (as G.W. Lawrence)
Creature (As G.W. Lawrence)
Dr. Death (as G.W. Lawrence)
Creature (as G.W. Lawrence)
Director Chet (as G.W. Lawrence)
The Boudoir Photographer (as G.W. Lawrence)
Killer 1 (as G.W. Lawrence)
Killer 1 (as G.W. Lawrence)
Forest Ranger 1 (as G.W. Lawrence)
