Top 10 Acting Performances Where Actors Go Through Drastic Changes

1 Tom Hanks - Philadelphia

2 Christian Bale - The Machinist

3 Charlize Theron - Monster

4 Jared Leto - Chapter 27

5 Jared Leto - Dallas Buyers Club

6 Heath Ledger - The Dark Knight

7 Matthew McConaughey - Dallas Buyers Club

8 Christian Bale - The Fighter

9 Robert DeNiro - Raging Bull

10 Tom Hanks - Cast Away

The Contenders

11 Linda Blair - The Exorcist

12 Humphrey Bogart - Casablanca

13 Christopher Walken - The Deer Hunter