Favorite Performances

[dissention]

My little discussion with Greg regarding Ellen Burstyn got me wondering about what performances from actors others found to be exceptional out of all the movies they've seen. What are yours?

Mine:

Ellen Burstyn in Requiem For A Dream
Sally Kirkland in Anna
Katharine Hepburn in The African Queen
Spencer Tracy in Guess Who's Coming To Dinner
Ruby Dee in A Raisin In the Sun
Jack Nicholson in About Schmidt
Jessica Lange in Frances
Paul Giamatti in Sideways
Griffin Dunne in After Hours
Faye Dunaway in Network
Nicole Kidman in Dogville
Jake Weber in Wendigo
Bette Davis in The Little Foxes
Julianne Moore in Safe
Jack Lemmon in Short Cuts
Shelley Duvall in 3 Women

And many more...