David Thornton (born June 12, 1953) is an American actor. He has appeared in John Q, Home Alone 3, Law & Order, The Notebook, and The Ot…David Thornton (born June 12, 1953) is an American actor. He has appeared in John Q, Home Alone 3, Law & Order, The Notebook, and The Other Woman, among other roles. He is the husband of Grammy Award-winning singer and songwriter Cyndi Lauper.[1]