<P> Sarah Chalke (/ tʃ ɔː k /; born August 27, 1976) is a Canadian - American actress and voice artist . She is known for portraying Dr. Elliot Reid on the NBC / ABC comedy series Scrubs, the second Rebecca "Becky" Conner and Andrea on the ABC sitcom Roseanne, Stella Zinman on the CBS sitcom How I Met Your Mother, and Beth Smith on Adult Swim's adult animated science - fiction series Rick and Morty . She also had a recurring role on the third season of the ABC / TBS sitcom Cougar Town . </P> <P> Chalke was born in Ottawa, Ontario, Canada, and was raised in North Vancouver, British Columbia . She is the middle of three daughters born to Douglas and Angela Chalke . Her mother is from Rostock, Germany . According to a Scrubs commentary track, she used to attend the German school in her hometown twice a week . Her first language is English, but she speaks German fluently and French "fairly well ." This was incorporated into her Scrubs character, Elliot Reid, who spoke German and French at the same levels . Chalke graduated from Handsworth Secondary School in North Vancouver in 1994 . </P> <P> Chalke's acting career began at age eight when she began appearing in musical theater productions . At 12, she became a reporter on the Canadian children's show KidZone . In 1993, she took over the role of Rebecca Conner - Healy on Roseanne after Lecy Goranson left the series; Chalke made a cameo appearance as a different character in the Roseanne episode "Halloween: The Final Chapter" (#178, originally aired October 31, 1995) after Goranson returned . Chalke later returned to the role of Becky after Goranson departed for a second time . After the show ended, Chalke returned briefly to Canada, where she starred in the CBC Television drama Nothing Too Good for a Cowboy (1998--1999). </P> <P> In 2001, she was cast as Dr. Elliot Reid in the NBC comedy series Scrubs and she would be a cast member for all nine seasons until the series ended its run in 2010 . She has appeared in several feature films, including Ernest Goes to School and Cake . She appeared in Channel 101's The' Bu with The Lonely Island, a parody of the hit show The O.C., but was credited as "Pamela Fenton". In 2007, she appeared as a supporting character in Chaos Theory, which starred fellow Canadian Ryan Reynolds . In 2008, Chalke became the spokesperson for a line of women's underwear by Hanes that included a series of commercials directed by her Scrubs co-star Zach Braff . In 2008 and 2009, she made appearances in the CBS sitcom How I Met Your Mother as Stella Zinman . In early 2011, she starred in the CBS television series Mad Love, a romantic comedy which debuted as a midseason replacement and was cancelled after only one season was produced . </P>

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