Actor Hugh Keays-Byrne, known for films like 'Mad Max', 'Mad Max: Fury Road', 'Stone' and TV series 'Farscape', passed away aged 73. "It's amazing you were able to play an evil warlord so well cause you were such a...beautiful soul," actress Charlize Theron tweeted. "He cared about...preserving the environment long before these issues became fashionable," filmmaker Brian Trenchard-Smith said.