premise: Heath Ledger won an award posthumously.
hypothesis: Heath Ledger . Posthumously he shared the 2007 Independent Spirit Robert Altman Award with the rest of the ensemble cast , the director , and the casting director for the film I 'm Not There , which was inspired by the life and songs of American singer-songwriter Bob Dylan . Ledger received numerous posthumous accolades for his critically acclaimed performance in the film , including the Academy Award for Best Supporting Actor , a Best Actor International Award at the 2008 Australian Film Institute Awards ( for which he became the first actor to win an award posthumously ) , the 2008 Los Angeles Film Critics Association Award for Best Supporting Actor , the 2009 Golden Globe Award for Best Supporting Actor -- Motion Picture , and the 2009 BAFTA Award for Best Supporting Actor .