Which episode of "Will & Grace" included an actress that was also on "Charmed"?
Grace, Replaced:  Actors Molly Shannon, Leigh-Allyn Baker, and Tom Gallop guest starred on "Grace, Replaced". Leigh-Allyn Baker: Leigh-Allyn Baker (born March 13, 1972) is an American actress and voice artist. Leigh-Allyn Baker:  She had recurring roles on "Charmed" and "Will & Grace", and a starring role as the matriarch Amy Duncan on the Disney Channel sitcom "Good Luck Charlie".
i don't know