Mary Kay Bergman
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Mary Kay Bergman (June 5, 1961 - November 11, 1999) was a voice actor with numerous roles and bit parts in television, film, direct-to-video animation, and advertising. She is best known for voicing most of the female characters on the series South Park and in the 1999 film, South Park: Bigger, Longer & Uncut. Her characters included Liane Cartman, mother of Eric Cartman; Sheila Broslofski, mother of Kyle Broslofski; Sharon Marsh, mother of Stan Marsh; Mrs. McCormick, mother of Kenny McCormick; and Wendy Testaburger. Her death in 1999 due to suicide came as a great shock to those close to her, who were unaware that she suffered from mental illness.
