Cecil B. Demented is a 2000 black comedy film written and directed by John Waters. The film stars Melanie Griffith as a snobby A-list Hollywood actress who is kidnapped by a band of terrorist filmmakers; they force her to star in their underground film. Stephen Dorff stars as the eponymous character and leader of the group, with Alicia Witt, Adrian Grenier, Michael Shannon, and Maggie Gyllenhaal co-starring as the rest of his gang of filmmakers.

John Samuel Waters Jr. is an American filmmaker, writer, actor, and artist. He rose to fame in the early 1970s for his transgressive cult films, including Multiple Maniacs (1970), Pink Flamingos (1972) and Female Trouble (1974). Waters wrote and directed the comedy film Hairspray (1988), which was later adapted into a hit Broadway musical and a 2007 musical film. Other films he has written and directed include Desperate Living (1977), Polyester (1981), Cry-Baby (1990), Serial Mom (1994), Pecker (1998), and Cecil B. Demented (2000). His films contain elements of post-modern comedy and surrealism.