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".
Heath Ledger report concludes, in part, "Mr. Heath Ledger died as the result of acute intoxication by the combined effects of oxycodone, hydrocodone, diazepam, temazepam, alprazolam and doxylamine." It states definitively: "We have concluded that the manner of death is accident, resulting from the abuse of prescribed medications." While the medications found in the toxicological analysis may be prescribed in the United States for insomnia, anxiety, pain, or common cold symptoms (doxylamine), the vast majority of physicians in the US are extremely reluctant to prescribe multiple benzodiazepines (e.g., diazepam, alprazolam, and temazepam) to a single patient, let alone prescribe the same to