8.Heath Ledger

Australian actor Heath Ledger was on his way becoming one of Hollywood’s biggest when he tragically died from an accidental intoxication from prescription drugs at the age of 28. He was in the middle of shooting The Imaginarium of Doctor Parnassus. As he only completed one third of his scenes, director Terry Gilliam choose to replace Ledger in specific scenes by Johnny Depp, Jude Law and Colin Farrell.