Rose Byrne thinks Heath Ledger was a pioneer for Australians in Hollywood. The 42-year-old actress admits that the late movie star – who died in 2008, aged 28 – encouraged other actors and actresses to make the switch from Australia to the US. Rose – who starred alongside Heath in the comedy crime film ‘Two Hands’ in 1999 – shared: “Being Australian, you’re outsiders, aliens, so you’ve got to band together. Heath was a real champion of that. He left early and started to get work here. “He was so instrumental in helping me and a lot of people get work, and get into rooms.” Asked whether it felt…