30 Rock

30 Rock is an American television sitcom created by Tina Fey for NBC. It began on October 11, 2006 and ended on January 31, 2013. It was set in a television studio in Manhattan, New York City. It starred Fey, Alec Baldwin, Tracy Morgan, Jane Krakowski, Jack McBrayer, Scott Adsit, Judah Friedlander, Katrina Bowden, Keith Powell, John Lutz, Kevin Brown, Grizz Chapman and Maulik Pancholy.
Fey played the protagonist Liz Lemon, the writer of TGS with Tracy Jordan. Morgan played the star of TGS with Tracy Jordan. Krakowski played Jenna Maroney, Liz's assistant and Tracy's co-star. McBrayer plays Kenneth Parcell, an NBC page.