Mark Linn-Baker is an American actor, director, and producer. He is best known for his role as Larry Appleton in the ABC sitcom Perfect Strangers, which ran from 1986 to 1993. He has also appeared in films such as My Favorite Year, Mannequin, and The Money Pit. He has directed episodes of the television series 3rd Rock from the Sun and Malcolm in the Middle. He has also produced several plays, including the Broadway production of The Drowsy Chaperone.