Michael Donald O'Malley (born October 31, 1966) is an American actor, most famous for playing "Jimmy Hughes" on the CBS series Yes, Dear. He previously had a short-lived, self-named sitcom on NBC called the Mike O'Malley Show in which he co-starred with his sister Kerry O'Malley. He also played "Roger Hoyt," the central character of the short-lived WB sitcom Life with Roger.