Timothy Olyphant Replaces Sharlto Copley In " I Am Number Four" Sharlto Copley has dropped out of the DreamWorks pic "I Am Number Four" and has been replaced by "Justified" star Timothy Olyphant. Copley, who rose to the top of studio casting lists after starring in breakout hit "District 9," had to bow out of the D.J. Caruso-helmed film due to scheduling conflicts with his upcoming press obligations for Fox's "The A-Team." But is this the real reason? Filmdrunk has found out some interesting information on why Copley was replaced. Sharlto Copley wanted wear a prosthetic nose and fake ears like Spock and look like an alien in the movie, while director DJ Caruso was adamant that the aliens were supposed to look just like regular humans, hence why they’re able to fit in. This was apparently such a sticking point that neither would budge, and Copley left the project. Olyphant, who is also on the rise thanks to the critical hit