Brain Dead is a 1990 psychological horror-thriller film directed by Adam Simon. It stars Bill Pullman, Bill Paxton, and George Kennedy.

Adam Simon is an American director, producer, and screenwriter. His directing credits include Brain Dead (1990), Body Chemistry II: The Voice of a Stranger (1992), and Carnosaur (1993). Simon, along with producer Brannon Braga, co-created the television series Salem. As a screenwriter, Simon is known for Bones (2001), The Haunting in Connecticut (2009), and Books of Blood (2020).