Jake Gyllenhaal Reflected on Heath Ledger?s Death opened about how it changed his life. . Gyllenhal stated ?It affected me in ways I can?t put into words.? The actors starred in 2005?s Brokeback Mountain together and became close friends. He continued on saying " I was at an age where mortality was not always that clear to me.? He also spoke about the film community and how it was affected by the loss of Ledger.