Jake Gyllenhaal alongside his older sister, Maggie Gyllenhaal. He subsequently appeared in another indie film, "The Good Girl" (2002) and the climate fiction-disaster film "The Day After Tomorrow" (2004), portraying a student caught in a cataclysmic climate event. In 2005, Gyllenhaal portrayed Anthony "Swoff" Swofford in "Jarhead", Harold Dobbs in "Proof", and Jack Twist in Ang Lee's "Brokeback Mountain." 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
Gyllenhaal family with his coat of arms now hanging in the House of Nobility ("Riddarhuset") in Stockholm, it is spelled "Gyllenhahl". Such ambiguities are typical of the time; it would be several generations before Swedish spelling was more strictly regulated. The prefix "Gyllen" ("Golden") was the one most used when ennobling someone since the 16th century. Actor Jake Gyllenhaal, great-great grandson of the below-mentioned Anders Leonard Gyllenhaal, quipped during an interview prior to the British premiere of "" that his last name was pronounced "Yil-en-hoo-luh-hay", parodying Americans' difficulties with Swedish pronunciation. Nils Gunnarsson Gyllenhaal's descendants today stem from two of his sons: