Jake Gyllenhaal has once again shared memories from the making of one of his most iconic films, Brokeback Mountain, and the emotional bond he shared with his co-star, Heath Ledger.The 2005 film, directed by Ang Lee, became a sensation thanks to its story of two cowboys in love. The movie earned eight nominations at the Academy Awards, including nods for Ledger and Gyllenhaal, as well as Best Picture.