William Mesnik (born May 21, 1953) is an American character actor, musician and playwright who appeared in numerous films and television series of the 1990s and 2000s.
He started his career as a singer-songwriter in the mid-1970s, playing in such Greenwich Village coffee houses as Paul Colby's The Other End.
A graduate of the Yale School of Drama, Mesnik's theatrical resume encompasses the Broadway theatre (La Bute; Oh!
In 2002, he was nominated for an Ovation Award for his role as Holofernes in Shakespeare's Love's Labours Lost, produced by A Noise Within.
He became a familiar face in the 1990s and 2000s from his numerous commercial, episodic television and film appearances, including: L.A. Law, Law & Order, Lois and Clark, Murphy Brown, That '70s Show, Spin City, 3rd Rock from the Sun, Dharma & Greg, Curb Your Enthusiasm (Season 1, Episode 9), Minority Report, Titanic, Stonebrooke, and two films by John Schlesinger: The Next Best Thing and Eye for an Eye.