French Stewart (born Milton French Stewart IV) is an American actor and voice actor. He is best known for his role as Harry Solomon on the 1990s sitcom 3rd Rock from the Sun, as well as his roles as Marv Murchins in Home Alone 4, Inspector Gadget in Inspector Gadget 2, and Chef Rudy on the CBS sitcom Mom. Stewart toured in regional theatre for seven years before breaking into television with the role of Razor Dee, a spaced-out DJ on the final season of The New WKRP in Cincinnati in 1992. In 1996, he was cast on 3rd Rock from the Sun, which l…