Sean Patrick Hayes is an American actor, comedian, musician and producer. Known for his performances on stage and screen, he gained acclaim for his role as Jack McFarland on the NBC sitcom Will & Grace, for which he won a Primetime Emmy Award and four Screen Actors Guild Awards. He has also received nominations for six Golden Globe Awards and two Tony Awards, winning one of the latter.

John Philip "Jack" McFarland is a fictional character on the American television sitcom Will & Grace, played by Sean Hayes.