Margot Kidder (Superman, Superman II) guest stars in the hit freshman drama series, Brothers & Sisters. In the episode, entitled Valentines Day Massacre, airing in the US on SUNDAY, FEBRUARY 11 (10:01-11:00 p.m., ET), Nora has a Valentines Day dinner with a friend and takes a risky ride that could land her in trouble. Margot Kidder guest stars as Emily Craft.