West Wing Star Joins Musical 'Hairspray'

allison_janneyWest Wing star Allison Janney has joined the cast of the musical Hairspray, according to Variety.

Janney, who won four Emmys for her role as White House chief of staff C.J. Gregg, will start rehearsals on the Adam Shankman-directed "Hairspray" right away. She'll play Prudy Pingleton, the overbearing mother of Penny (Amanda Bynes) who believes that dancing and having fun is sinful.

She joins John Travolta, Queen Latifah, Christopher Walken, Bynes, Michelle Pfeiffer, James Marsden, Zac Efron and Nikki Blonsky.

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