The 49-year-old actor is the master at transforming his appearance to fit any film role
Sweeney Todd: The Demon Barber of Fleet Street
Starring as the English barber/serial killer in the 2007 horror musical flick, Depp took singing lessons to prepare for his role and won a Golden Globe for his performance. "I'd never sung before in my life, so I had to find my way to it and thought it was important that I keep it very low-key, and so initially I did these demos in my friend's garage studio because I didn't know if I'd be able to hit a not, to be honest, I really didn't."
Credit: DreamWorks/courtesy Everett Collection