17 Again is a 2009 American fantasy comedy film directed by Burr Steers. The film follows 37-year-old Mike (Matthew Perry) who becomes his 17-year-old self (Zac Efron) after a chance accident. The film also stars Leslie Mann, Thomas Lennon, Michelle Trachtenberg, Melora Hardin and Sterling Knight in supporting roles. The film was released in the United States on April 17, 2009. It received mixed reviews from critics and grossed $139 million.