Directing

2005

… Director

1995

… Director

1994

… Director

1988

… Director

1981

… Director

1980

… Director

1977

… Director

1976

… Director

1972

… Director

Writing

2005

… Screenplay

1994

… Screenplay

1988

… Writer

1981

… Screenplay

1980

… Story

1977

… Screenplay

1976

… Writer

1973

… Writer

1972

… Writer

Acting

2017

as Self

2015		42nd Street Memories: The Rise and Fall of America's Most Notorious Street as Himself
2015		Eaten Alive! The Rise and Fall of the Italian Cannibal Film

2005

as Himself

2004

as Himself

1972

as Young drug dealer (uncredited)

Production

2005

… Producer

1995

… Producer

1988

… Producer

1978

… Producer