Tina Fey had one small cameo on 30 Rock.
30 Rock . The series stars Fey with a supporting cast that includes Alec Baldwin , Tracy Morgan , Jane Krakowski , Jack McBrayer , Scott Adsit , Judah Friedlander , Katrina Bowden , Keith Powell , Lonny Ross , John Lutz , Sue Galloway , Kevin Brown , Grizz Chapman , Maulik Pancholy , and Rachel Dratch . Tina Fey . She is known for her work on the NBC sketch comedy series Saturday Night Live ( 1998 -- today ) , for her impression of former Alaska Governor and 2008 Vice-Presidential candidate Sarah Palin , and for creating acclaimed series 30 Rock ( 2006 -- 2013 ) and Unbreakable Kimmy Schmidt ( 2015 -- present ) .