Actors transform into their roles in a variety of ways. Through mediums like costumes, animation, CGI, special effects makeup and prosthetics, actors and actresses have overcome their own physical limitations in order to become the characters that we know and love. Most viewers are blissfully unaware of what some actors have had to endure for their roles, from hot and stuffy costumes to countless hours of being fussed over in a makeup chair. If you're curious to see which Hollywood actors spent the most time in the makeup chair for one of their movie or television roles, we compiled a top ten list for you! Keep reading to see who made the cut.