Jake Gyllenhaal filmography character, a "sullen" and "schizophrenic" teenager, made him a cult hero. Although the film was critically acclaimed, it failed commercially. Gyllenhaal starred in the 2004 disaster film "The Day After Tomorrow", which, despite receiving mixed reviews from critics, was a commercial success at the box office. In 2005, he co-starred as Jack Twist opposite Heath Ledger in the romance drama "Brokeback Mountain". The actors portrayed two men that fall in love during a sheepherding expedition. The roles earned both Gyllenhaal and Ledger critical acclaim and Academy Award nominations. That same year, he starred in the drama films "Jarhead" and "Proof".
Brokeback Mountain (short story) numerous awards, including Academy Awards (for 2005) for Best Adapted Screenplay (McMurtry and Ossana), Best Director (Ang Lee), and Best Original Score (Gustavo Santaolalla). It was nominated for a total of eight awards (the most that year), including Best Picture, Best Actor (Heath Ledger as Ennis), and Best Supporting Actor (Jake Gyllenhaal as Jack). Its loss of Best Picture to "Crash" was not generally expected, though predicted by some. Charles Wuorinen, a contemporary American composer, became interested in the story, and Proulx wrote the libretto to adapt her work. Their work was commissioned by Mortier of the New York City