Screenwriters from Los Angeles

William Douglas Lansford (July 13, 1922 in Los Angeles – May 22, 2013) was an American author, screenwriter, and film producer.

Michael Bacall (born Michael Stephen Bucellato; April 19, 1973) is an American screenwriter and actor, known for having co-written the films Scott Pilgrim vs. the World, 21 Jump Street, and Project X.

Gerry Day (January 27, 1922 – February 13, 2013) was an American screenwriter. She was also a newspaper reporter for the Hollywood Citizen News in the mid-1940s.

Christopher Beau Landon (born February 27, 1975) is an American film director, producer, and screenwriter best known for working in the horror and comedy horror genres.
He has worked as a screenwriter on the thriller Disturbia and most of the films in the Paranormal Activity found-footage horror series. He wrote and directed Paranormal Activity: The Marked Ones as well as the horror comedy films Happy Death Day, Scouts Guide to the Zombie Apocalypse, Happy Death Day 2U, Freaky, and We Have a Ghost. He wrote and made his directorial debut on the satirical thriller film Burning Palms (2010).