<P> Engel returned to her stage roots in 2006, appearing on Broadway in the musical The Drowsy Chaperone, with Sutton Foster and Edward Hibbert . She created the role of Mrs. Tottendale, which she continued to perform, leaving the Broadway production as of April 1, 2007 . She was featured in the North American tour, performing in Toronto in September 2007, through engagements at the Orpheum Theater in San Francisco, in August 2008, and at the Denver Performing Arts Complex in October 2008 . </P> <P> For the summers of 2004, 2005, 2007, 2009 and 2010, Engel appeared in various productions at The Muny Theater in Forest Park in St. Louis, Missouri . She most recently appeared in Show Boat in August 2010 as Parthy . In July 2005, she appeared in Mame as Agnes Gooch, in June 2007 she appeared in Oklahoma! as Aunt Eller, and in July 2009 she appeared as Mrs. Paroo in The Music Man . </P> <P> In June 2010, Engel appeared at the Ogunquit Playhouse in Ogunquit, Maine production of The Drowsy Chaperone as Mrs. Tottendale . In October through December 2010, Engel was featured in the Vineyard Theatre's Off - Broadway production of Middletown, written by Will Eno . </P> <P> In 2012, she appeared in episodes of The Office as an older lady being helped by Erin Hannon (Ellie Kemper) and in the episode called "Palmdale, Ech" of Two and a Half Men as the mother of Lyndsey MacElroy portrayed by Courtney Thorne - Smith . In March 2012, 35 years after the close of The Mary Tyler Moore Show, Engel was reunited with Betty White in the third season of Hot in Cleveland as Mamie Sue Johnson, best friend of White's character Elka, in a continuing, recurring role . </P>

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