Actors often have to go through a lot to get that special role they have always dreamed of. Even today, with advanced CGI that can really work wonders, it seems that some things are done even better the old-fashioned way, with makeup artists and hairdressers, costume designers, and other talented people.

Thanks to them, we can go back and forth in time, be absorbed by the apparent reality of a fairy tale, or find ourselves in a truly terrifying nightmare.

We found 18 actors who were made unrecognizable thanks to state-of-the-art makeup.

Heath Ledger — Joker (The Dark Knight)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art

Brad Pitt — Benjamin Button (The Curious Case of Benjamin Button)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art

Maïwenn Le Besco — Diva Plavalaguna (The Fifth Element)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art

Ralph Fiennes — Lord Voldemort (The Harry Potter films)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art

Gary Oldman — Dracula (Bram Stoker’s Dracula)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art

Robin Williams — Mrs. Doubtfire (Mrs. Doubtfire)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art

Jim Carrey — Grinch (Dr. Seuss’ How the Grinch Stole Christmas)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art

John Leguizamo — Clown (Spawn)

8 Famous Actors Who Changed Beyond Recognition For The Sake Of Art