<P> In November 2009, it was announced that actress Julianne Moore would guest star on 30 Rock as a love interest for Jack Donaghy, Alec Baldwin's character . She made her debut as the character Nancy Donovan in the December 10, 2009, episode "Secret Santa". This episode was Moore's second appearance on the show . "Winter Madness" was filmed on November 17, 2009 . Comedian Kevin Meaney guest starred as the actor portraying John Hancock . This was actor Cheyenne Jackson's fourth appearance as Danny Baker in the series . He made his debut in the November 12, 2009, episode "The Problem Solvers", and would later guest star on the episodes "Secret Santa", "Black Light Attack!", "Floyd", and "The Moms". In "Winter Madness", while venting their anger towards Liz, Danny admits his refusal to hit on Jenna . </P> <P> In the beginning of the episode, Liz complains about the cold weather saying that she has been stuck inside her apartment playing online Boggle, a word game designed by using a plastic grid of lettered dice, in which players attempt to find words in sequences of adjacent letters . Later, Jack tells Liz that she is the female version of former Boston Celtics basketball player Kevin McHale . Jack's Boston office is a duplication of his New York one . When Liz enters, Jack asks her if she can tell which seven items are different, prompting the two to look into the camera and smile and thus breaking the fourth wall, a term used when a character in a television show, film or on stage directly addresses the audience . In one scene, Jack says that many Boston residents have named their daughters "Belichick", after New England Patriots head coach Bill Belichick . </P> <P> During one scene of "Winter Madness", Toofer tells the writing staff that he went to college in Boston, "Well, not in Boston, but nearby", mocking a common stereotype of Harvard students that they will not mention that they attend the University, for fear of intimidating anyone, but will still strongly hint to it . Later, Jack and Nancy imitate former Boston newscasters Chet Curtis and Natalie Jacobson, who were the most - watched news team in Boston for twenty years . Nancy tells Jack that her husband moved to New Orleans to rebuild houses that were affected by Hurricane Katrina as part of actor Brad Pitt's Make It Right Foundation, an organization building affordable housing to help those families most in need following the aftermath of Hurricane Katrina . </P> <P> In its original American broadcast, "Winter Madness" was watched by 5.585 million households, according to the Nielsen Media Research . It received a 2.8 rating / 7 share among viewers in the 18--49 demographic, meaning that 2.8 percent of all people in that group, and 7 percent of all people from that group watching television at the time, watched the episode . This was an increase from the previous episode, "Black Light Attack!", which was watched by 5.014 million American viewers . "Winter Madness" ranked third in the timeslot and was the only episode getting more viewers, going up 22 percent from the previous week's episode rating . </P>

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