During its original eight season run, Will & Grace was one of the most groundbreaking sitcoms on TV and as such it garnered a lot of attention, and not just from audiences. Many celebrities wanted to be involved in the show and from numerous celebrity appearances of Hollywood stars playing themselves to beloved stars taking on short guest roles in the series, Will & Grace has become known for its numerous celebrity guest stars. Now that Will & Grace is back after an 11 year hiatus with its revival series, the show is promising even more huge celebrity guest stars and appearances, so take a look back at the original series with these 15 celebrities you forgot appeared on the show:
15. Woody Harrelson
Woody Harrelson is one actor who has never been held to just one type of role and has become an icon because of his extensive work in film and television. Amid all of his starring roles, he appeared in eight episodes of Will & Grace in season three. Harrelson guest starred as Nathan, a tenant in the same building as Will and Grace who eventually strikes up a relationship with Grace after his girlfriend leaves him. Their relationship got messy really quickly and, after Grace proposed to him, Nathan broke up with her and it was revealed he already had another girlfriend and was heading off to the Bahamas with her which was the last anyone ever saw of Harrelson as Nathan.