Writing

—		The Exorcist: Redeemer … Characters
—		The Exorcist: Deceiver … Characters

2023

… Characters

2005

… Characters

2004

… Characters

1990

… Screenplay

1980

… Novel … Screenplay

1977

… Characters

1973

… Screenplay … Novel

1970

… Writer

1969		The Great Bank Robbery … Screenplay
1969		Mastermind … Story … Screenplay

1967

… Screenplay

1966		What Did You Do in the War, Daddy? … Screenplay
1966		Promise Her Anything … Screenplay

1965

… Writer

1964

… Screenplay

1963

… Story … Screenplay

Acting

2023

as Self (archive footage)

2019

as Self

2013

2010		The Exorcist Locations: Georgetown Then and Now as Self
2010		Raising Hell: Filming the Exorcist as Himself

2004

as Lui-même

2002

as self

1998

as Self - Author & Producer

1986

as Himself

1980

as Dr. Fromme (uncredited)

1973

as The Producer (uncredited)

1958

as Policeman (as Bill Blatty)

Directing

1990

… Director

1980

… Director

Production

1980

… Producer

1973

… Producer

Crew

1998

… Thanks