E! Online: Seymour Cassel
Contains biography, credits and multimedia.
Internet Movie Database: Seymour Cassel
Contains biography, filmography, news, image gallery, awards and nominations.
Rotten Tomatoes: Seymour Cassel
Includes filmography, news, awards and image gallery.
Yahoo! Movies: Seymour Cassel
Contains biography, filmography, image gallery and awards.