Requiem for a Dream is a 2000 American psychological drama film directed by Darren Aronofsky and starring Ellen Burstyn, Jared Leto, Jennifer Connelly, and Marlon Wayans. It is based on the 1978 novel of the same name by Hubert Selby Jr., with whom Aronofsky wrote the screenplay. The film depicts four characters affected by drug addiction and how it alters their physical and emotional states. Their addictions cause them to become imprisoned in a world of delusion and desperation. As the film progresses, each character deteriorates, and their reality is overtaken by delusion, resulting in catastrophe.