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Mary Claire "Mimi" Kennedy (born September 25, 1948) is an American actress, author, and activist. Best known for her roles in television sitcoms, Kennedy co-starred in numerous short-lived sitcoms before her role as Ruth Sloan on Homefront (1991–93). She received wider recognition with her roles in the Chuck Lorre created sitcoms; Dharma & Greg (1997–2002), and Mom (2013–2021). For her performance in the latter, Kennedy received a nomination for the Critics' Choice Television Award for Best Guest Performer in a Comedy Series. Kennedy has also appeared in various films, including; Pump Up the Volume (1990), Erin Brockovich (2000), In the Loop (2009), Due Date (2010), Midnight in Paris (2011), and The Five-Year Engagement (2012). From Wikipedia, the free encyclopedia