Donnie Darko is a mind-bending science fiction film starring Jake Gyllenhaal as the titular character. Donnie is a troubled teenager who starts experiencing strange visions and encounters with a mysterious figure named Frank, played by James Duval. Gyllenhaal's performance as Donnie is haunting and captivating, as he navigates a complex narrative that explores themes of time travel, destiny, and existentialism. Donnie Darko has gained a cult following over the years, thanks in part to Gyllenhaal's compelling portrayal of a troubled and enigmatic protagonist.