It's hard to believe it has been 15 years since Donnie Darko premiered and quickly became a cult classic!
The sci-fi film has since produced a handful of household names in Hollywood, including a then unknown Jake Gyllenhaal, Seth Rogen and Ashley Tisdale!
Click through the slideshow to see what the cast is up to today!
Since portraying the titular character, the -year-old actor has become one of the most successful actors in Hollywood thanks to hit films such as The Day After Tomorrow, End of Watch and Brokeback Mountain, which earned him an Oscar nomination. He will next be starring in the movie Nocturnal Animals alongside Amy Adams.
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