Movie characters that have made a difference

Wow! If there has ever been a better courtroom scene than Gregory Peck's
portrayal of Atticus Finch in To Kill a Mockingbird, I don't know what
it is! Just watch his defense summation--it holds you spellbound. One
of my favorite movies -- and scenes -- of all time....

http://blogs.takepart.com/2008/02/08/the-top-10-movie-characters-that-made-a-difference/