Sheep Break (from sistercoyote)

Name your favorite movie that these actors have been in. Not necessarily their best performance, just your favorite.

I'm a little indecisive on the topic. To wit:

Sigourney Weaver: Either Ghostbusters or Galaxy Quest.
Robin Williams: Aladdin or The Birdcage.
Clint Eastwood: Firefox.
Mel Gibson: Braveheart or Mad Max 2: The Road Warrior. Don't say it. ;-)
Paul Newman: Either The Sting or Butch Cassidy and the Sundance Kid.
Brad Pitt: Thelma and Louise because I honestly think that's the only thing I've seen that he's in.
Goldie Hawn: Death Becomes Her.
Audrey Hepburn: My Fair Lady.
Diane Keaton: The Godfather Part II.
Halle Berry: X-Men 2: X-Men United.
Kevin Bacon: Apollo 13, She's Having a Baby, National Lampoon's Animal House.
Ewan McGregor: Little Voice.
Sean Connery: The Great Train Robbery, Time Bandits, Diamonds are Forever, Goldfinger, The Hill.
Anthony Hopkins: The Mask of Zorro.
Jack Nicholson: Chinatown, The Witches of Eastwick, Prizzi's Honor, Batman.
Harrison Ford: Frantic or Witness.
Tom Hanks: Apollo 13.
Robert DeNiro: Wag the Dog, The Godfather Part II, Brazil.
Al Pacino: The Godfather Part II.