The 10 Best Actor Transformations

In “Looper,” Joseph Gordon-Levitt transmogrifies into his older self, played by Bruce Willis (that’s movie magic for you).

1. Charlize Theron

The South African beauty packed on the weight and prosthetics to play serial killer Aileen Wuornos in “Monster.”

(Images courtesy WireImage/Newmarket Films)

2. Andy Serkis

Serkis is the king of motion capture, which makes his critters like Caesar in “Rise of the Planet of the Apes” and good old Gollum especially eerie.

(Images courtesy WENN/20th Century Fox)

3. Brad Pitt

Will Pitt look like Benjamin Button when he gets older? We sure hope not.

(Images courtesy Getty/Paramount Pictures)

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4. John Hurt

Way before he played Dumbledore, John Hurt piled on the pancake make-up to play John Merrick in “The Elephant Man.”

(Images courtesy Getty/Paramount)

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5. Doug Jones

If there’s a freaky creature afoot, you can probably bet that it’s Doug Jones underneath all that makeup. Here is he in “Pan’s Labyrinth” as the Faun.

(Images courtesy WireImage/Picturehouse Entertainment)

6. Ron Perlman

Ron Perlman is no stranger to this biz — remember him as the Beast in “Beauty in the Beast”? — but his kitten-loving Hellboy is probably his most memorable transformation to date.

(Images courtesy Getty/Universal Pictures)

7. Tom Hardy

Before he pumped it up for “Warrior” and “The Dark Knight Rises,” Tom Hardy rocked this incredibly bizarre look for “Star Trek: Nemesis.”

(Images courtesy Getty/Paramount Pictures)

8. Eric Bana

Bana bulked up and donned some fabulous jailhouse tattoos and a gold front to play the infamous Australian criminal Mark Read in the biopic “Chopper.”

(Images courtesy Getty/First Look International)

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9. Christian Bale

When is Christian Bale not turning himself into some emaciated weirdo or another? Here he is as former boxer Dicky Ecklund in “The Fighter.” At least he got an Oscar out of it, right?

(Images courtesy Getty/Paramount Pictures)

10. Robert De Niro

Before he met the Fockers, Robert De Niro was a contender in “Raging Bull.”

(Images courtesy Getty/United Artists)

11. Joseph Gordon-Levitt

One part JGL, one part Bruce Willis. All parts freaking me out right now.

12. The Official Trailer For “Looper”:

Video available at: http://youtube.com/watch?v=2iQuhsmtfHw.