'Glee': Molly Shannon cast as Sue Sylvester's nemesis
The latest? They've landed "Saturday Night Live" supa-stah Molly Shannon.
FOX confirms that Shannon will join the cast for an episode in May, playing a teacher and coach at McKinley High.
Word is she's got some substance-abuse issues and a serious rivalry with Jane Lynch's Sue Sylvester.
Here's to hoping she takes some of the heat off Mr. Schu.
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