Scénariste

• 1966 - I Deal in Danger
• 1968 - Daddy's Gone A-Hunting
• 1969 - El Condor
• 1972 - Bone
• 1972 - Black Caesar
• 1973 - Hell Up in Harlem
• 1973 - It's Alive
• 1975 - God Told Me To
• 1976 - The Private Files of J. Edgar Hoover
• 1978 - It Lives Again
• 1981 - I, the Jury
• 1981 - Q
• 1983 - The Stuff
• 1986 - Best Seller
• 1986 - Deadly Illusion
• 1986 - A Return to Salem's Lot
• 1988 - Wicked Stepmother
• 1988 - Maniac Cop
• 1989 - The Ambulance
• 1990 - Maniac Cop 2
• 1992 - Guilty as Sin
• 2002 - Phone Booth
• 2005 - Captivity

Auteur de l'œuvre originale

• 1968 - Daddy's Gone A-Hunting
• 1978 - It Lives Again
• 2003 - Cellular
• 2005 - Captivity

Producteur

• 1972 - Bone
• 1972 - Black Caesar
• 1973 - Hell Up in Harlem
• 1973 - It's Alive
• 1975 - God Told Me To
• 1976 - The Private Files of J. Edgar Hoover
• 1978 - It Lives Again
• 1981 - Q
• 1986 - A Return to Salem's Lot
• 1988 - Maniac Cop
• 1990 - Maniac Cop 2

Réalisation

• 1972 - Bone
• 1972 - Black Caesar
• 1973 - It's Alive
• 1973 - Hell Up in Harlem
• 1975 - God Told Me To
• 1976 - The Private Files of J. Edgar Hoover
• 1978 - It Lives Again
• 1981 - Q
• 1981 - Full Moon High
• 1981 - See China and Die
• 1983 - The Stuff
• 1984 - Special Effects
• 1984 - Perfect Strangers
• 1986 - A Return to Salem's Lot
• 1986 - Deadly Illusion
• 1986 - It's Alive III : Island of the Alive
• 1988 - Wicked Stepmother
• 1989 - The Ambulance
• 1995 - As Good as Dead
• 1996 - Original Gangstas

Producteur délégué

• 1983 - The Stuff

Acteur

• 1985 - Spies Like Us
• 2009 - Nightmares in Red, White and Blue: The Evolution of the American Horror Film

Producteur exécutif

• 1988 - Wicked Stepmother