Actress Katrina Bowden co-starred in 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 . Katrina Bowden ( born September 19 , 1988 ) is an American actress best known for playing Cerie on the NBC sitcom 30 Rock ( 2006 -- 2013 ) .