Butler, Marvel, Garrison and Buonopane To Appear On NBC's '30 Rock' Airing 4/16

Theatre stars Kerry Butler, Elizabeth Marvel, Todd Buonopane,and Mary Catherine Garrison are set to appear on NBC's hit show '30 Rock' according to IMDB. The episode, titled "Jackie Jormp-Jomp" will air April 16.

"During a short-term suspension from work, Liz (Fey) is lost without "TGS" and misses all the stress that comes with the job. In turn, she must find a way to occupy her free time. Meanwhile, when the film studio has second thoughts on releasing Jenna's (Jane Krakowski) Janis Joplin biopic, Jack (Alec Baldwin) needs Jenna to create some promotional buzz using her celebrity status."

30 Rock stars Tina Fey, Tracy Morgan, Jane Krakowski, Alec Baldwin, Scott Adsit, Keith Powell, Judah Friedlander, Katrina Bowden, and Jack McBrayer.