Acting is a tough profession. Sure, actors are paid handsomely for what they do, but it's hard to deny that it requires a lot of dedication to play certain roles.
Case in point: acting often doubles as on-the-job training when a role requires a certain skill. What's a skilled actor to do? Well, they simply have to learn that skill, obviously. Here's a look at 20 actors who learned something new in order to accurately portray a character.