After an exhaustive search, Less Than Perfect has finally delivered two actresses to play the lesbian mothers of oddball dad-to-be Owen (Andy Dick): sitcom queens Valerie Harper (Rhoda) and Joanna Kerns (Growing Pains). Cagney & Lacey alumnae Tyne Daly and Sharon Gless were originally approached, but Daly passed. For more "TV News" scoop — including the latest on Jessica Simpson's wish to star in a big-screen remake of I Dream of Jeannie — pick up the current issue of TV Guide magazine (on sale now).