Marcus Dunstan, American director and screenwriter

Marcus Dunstan is an American screenwriter and director who, along with frequent collaborator Patrick Melton, wrote screenplay for the film Feast, which was the winner of Season Three of the filmmaking competition reality TV series Project Greenlight. Dunstan has since written the screenplays for Feast II: Sloppy Seconds, Feast III: The Happy Finish, and five films in the Saw franchise. Dunstan also directed and co-wrote the films The Collector, its sequel The Collection, and Unhuman.