SLIPPERY WHEN WET: Former Melrose Place-Ally McBeal star Courtney Thorne-Smith sported an arm cast on today's Live with Regis and Kelly. The actress — out promoting her new ABC comedy According to Jim (debuting tonight) — explained that on Sept. 13, she slipped and broke her wrist while taping a bathtub scene. — Michael Ausiello with Sabrina Rojas Weiss