<P> Metcalf has often appeared against type in both film and television; in JFK (1991), she played a dramatic role as one of Jim Garrison's chief investigators . She appeared as the murderous mother of Billy Loomis in the horror film Scream 2 (1997); and portrayed real - life Carolyn McCarthy in the television movie The Long Island Incident (1998). </P> <P> Metcalf has appeared in several television series, including being a cast member for a single episode of Saturday Night Live--the final episode of the show's tumultuous 1980--1981 season . In 1981, she appeared as a feature player on the first Dick Ebersol - produced episode of Saturday Night Live following the firing of Jean Doumanian . She appeared in a Weekend Update segment about taking a bullet for the President of the United States . Because of the sketch show's severe decline in quality at the time and the 1981 Writers Guild of America strike, the show was put on hiatus for retooling . Metcalf was never asked back to be a cast member . </P> <P> Metcalf is perhaps best known for her role as "Jackie", the multiple - careered, low self - esteemed, amiable sister of the title character in the hit series Roseanne . Her performance garnered her three consecutive Emmy Awards . Roseanne ran from 1988 to 1997, and Metcalf appeared as Jackie over the show's entire run . </P> <P> She subsequently appeared with Norm Macdonald on The Norm Show (or Norm), which ran for three seasons (1999--2001), and was also a regular character on the 2003 Nathan Lane series Charlie Lawrence, which was cancelled after the airing of two episodes . Metcalf has made guest appearances on Absolutely Fabulous, Malcolm in the Middle, My Boys, Dharma & Greg, Frasier, The Big Bang Theory, Without a Trace, 3rd Rock from the Sun, and Monk . She was nominated for the Emmy Award as Outstanding Guest Actress In A Comedy Series for both of the latter two listed roles . </P>

Who played roseanne's sister on the tv show roseanne
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