The actors on this list will do anything for their craft. From gaining pounds to dropping a dangerous amount of weight to piercing nipples, they love putting it all out there.
Whether they won an Oscar or just looked totally insane for their bizarre methods to get into character, what they’d done is completely remarkable. Check out for yourself.
1. Adrien Brody (The Pianist)
2. Dustin Hoffman (Marathon Man)
3. Daniel Day-Lewis (The Crucible)
4. Robert DeNiro (Taxi Driver)
5. Werner Herzog (Heart of Glass)
6. Billy Bob Thornton (Sling Blade)
7. Nicolas Cage (Ghost Rider)
8. Charlie Sheen (Ferris Bueller’s Day Off)
9. Christian Bale (The Machinist)
10. Rooney Mara (The Girl with the Dragon Tattoo)
11. Heath Ledger (The Dark Knight)
12. Meryl Streep (Kramer vs. Kramer)
13. Nicolas Cage (Leaving Las Vegas)
14. Halle Berry (Jungle Fever)
15. Nicolas Cage (Birdy)
16. Val Kilmer (The Doors)
17. Jared Leto (Chapter 27)
18. Supporting Cast (One Flew Over the Cuckoo’s Next)
19. Forest Whitaker (The Last King of Scotland)
20. Gene Hackman and Roy Scheider (The French Connection)
21. Harrison Ford (The Fugitive)
22. Steve McQueen (Le Mans)
23. Daniel Day-Lewis (My Left Foot)
(Source: Cracked)