House scored the prime post-Super Bowl time slot this year, and to go along with it, the show also scored a big-name guest star: Oscar-winner Mira Sorvino. In "Frozen," Sorvino plays Cate, a psychiatry fellow at Princeton Plainsboro who starts developing symptoms of a mysterious illness while aiding a team exploring the South Pole. Connected to House only via webcam, she and the doctor struggle to save her life.