Carl Ellsworth is an American screenwriter who has credits in both the film and television industries. He started out with his work in TV dramas like Buffy the Vampire Slayer (1997) and Star Wars: The Clone Wars (2009-2010). He is best known for his film work which includes movies like Red Eye (2005), Disturbia (2007), The Last House on the Left (2009), Red Dawn (2012), and Unhinged (2020).