2022
Himself
2019
Invisible Killer (as G.W. Lawrence)
2018
2016
(as G.W. Lawrence)
The Stranger (as G.W. Lawrence)
Officer Collins (as G.W. Lawrence)
2012
Chief Brisco (as G.W. Lawrence)
2011
Jason (as G.W. Lawrence)
2010
Jake Bannister (as G.W. Lawrence) (archival footage)
Bikini Girl Killer (as G.W. Lawrence)
2008
Director
2021
2020
2015
2014
2013
Writer
Screenplay
2002
2001
1999
1998
1997
1996
1995
1991
1988
Producer
2003
Executive Producer
1994
1978
Editor
2006
2005
2004
Special Effects
Cinematography
Makeup Artist
Director of Photography
Camera Operator