Premise: 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 . Tracy Jamal Morgan ( born November 10 , 1968 ) is an American actor and comedian best known for his eight seasons as a cast member on Saturday Night Live ( 1996 -- 2003 ) , 30 Rock ( 2006 -- 2013 ) and his 2010 buddy cop film Cop Out and hosting Scare Tactics .
Hypothesis: Tracy Morgan co-starred in 30 Rock.
Label: ENTAILMENT