Biography: Mindy Lee Sterling (born July 11, 1953) is an American actress. She portrayed Frau Farbissina in the Austin Powers film series (1997–2002), and starred in the web series Con Man (2015–2017), the latter of which earned her a Primetime Emmy Award nomination. She also provided the voices of Ms. Endive in the Cartoon Network series Chowder (2007–10), and the voice of Lin Beifong in the Nickelodeon series The Legend of Korra (2012–2014), and had recurring roles as Miss Francine Briggs on the Nickelodeon series iCarly (2007–12), Principal Susan Skidmore on the Disney Channel series A.N.T. Farm (2011–13) and Linda Schwartz on the ABC series The Goldbergs (2017-present).