Internet Movie Database: William Sadler: Contains biography, filmography and image gallery.
Rotten Tomatoes: William Sadler: Contains filmography and image gallery.
William Sadler - Wild on the Web: Official home page of film and TV star William Sadler, whose work includes Roswell, Die Hard 2, The Shawshank Redemption, Bill and Ted's Bogus Journey,and The Green Mile.
Yahoo! Movies: William Sadler: Includes filmography and image gallery.