Redoing this in no particular order:
Gary Oldman (Batman Begins/The Dark Knight, Harry Potter series, Bram Stoker's Dracula, True Romance)
Ian McKellen (The Lord of the Rings, X-Men series, Apt Pupil)
Morgan Freeman (The Shawshank Redemption, Unforgiven, Se7en, Million Dollar Baby, Batman Begins/The Dark Knight)
Brad Pitt (Fight Club, Se7en, The Curious Case of Benjamin Button, Ocean series, Snatch)
Johnny Depp (Pirates of the Caribbean, Fear and Loathing in Las Vegas, Sleepy Hollow, Ed Wood)
Hugo Weaving (Lord of the Rings, The Matrix, V For Vendetta)
Tom Hanks (Forrest Gump, Cast Away, Saving Private Ryan, Catch Me If You Can, The Terminal, Toy Story)
Robert Downey, Jr. (Iron Man, A Scanner Darkly, Kiss Kiss Bang Bang, Zodiac, Tropic Thunder)
Samuel L. Jackson (Pulp Fiction, Jackie Brown, Star Wars prequels, The Incredibles, 1408, Unbreakable)
Phillip Seymour Hoffman (Synecdoche, New York, Mission Impossible III, Magnolia)
Others I like include George Clooney, Christian Bale, Steve Buscemi, Will Smith, Leonardo DiCaprio and Edward Norton.