Jake Gyllenhaal is an American actor who has been in the entertainment industry since the early 2000s. He is best known for his roles in films such as Donnie Darko, Brokeback Mountain, and Nightcrawler. He has also appeared in several television shows, including Saturday Night Live and The Late Show with Stephen Colbert. Gyllenhaal has won numerous awards for his acting, including a Golden Globe Award for Best Supporting Actor for his role in Brokeback Mountain.