Johnny Depp, is that you!?

The 52-year-old actor is no stranger to drastically altering his appearance for movie roles, so it's no surprise he looks totally unrecognizable as infamous mobster Whitey Bulger in his new movie Black Mass!

Click through the gallery below to see 11 other stars — including Tilda Swinton, Meryl Streep, Bradley Cooper and more! — who have similarly transformed their looks for films.