For Robert Downey jr, i like Zodiac the best although i've watched almost all his movie and although he's not the main actor in this movie. But his acting skill is like soooooooooo damn GOOD!!!!! He can potraits any character he wants....Although Zodiac not his best look in movie, but the way he play drunk and how the character turns from normal life to a reall mees up life and i'm like ''WHOA'' by his acting skill!!!!____HE's a REAL GOOD actor.....THUMBS UP!!!!!