Joaquin Phoenix Wins br Best Actor at 2020 Oscars Phoenix won for his stunning br work in Todd Phillips' 'Joker.' Joaquin Phoenix, br at The 2020 Oscars Joaquin Phoenix, br at The 2020 Oscars Phoenix went on to talk at br length about "the fight against injustice." He also quoted his brother, br former actor River Phoenix, br who died in Hollywood in 1993. Joaquin Phoenix, br at The 2020 Oscars 'Joker' is the highest br grossing R rated film of all-time. Phoenix and Todd Phillips br have hinted at a possible sequel.