Jake Gyllenhaal is a person.
Jake Gyllenhaal . His breakthrough performance was as Homer Hickam in October Sky ( 1999 ) and he garnered an Independent Spirit Award nomination for Best Male Lead for playing the title character in the indie cult hit Donnie Darko ( 2001 ) , in which he played a psychologically troubled teenager alongside his older sister , Maggie Gyllenhaal . For his performance in Brokeback Mountain , he received critical acclaim and won the BAFTA Award for Best Actor in a Supporting Role and was nominated for the Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Supporting Role , the Satellite Award for Best Supporting Actor -- Motion Picture , and the Academy Award for Best Supporting Actor .