Jack McBrayer played the naïve NBC page Kenneth Parcell. Scott Adsit acted as the witty and wise "TGS" producer, Pete Hornberger. Judah Friedlander portrayed trucker hat-wearing staff writer Frank Rossitano. Alec Baldwin played the NBC network executive Jack Donaghy. Donaghy's full corporate title for the majority of the season is "Head of East Coast Television and Microwave Oven Programming". Keith Powell played the Harvard University alumnus and "TGS" staff writer James "Toofer" Spurlock. Katrina Bowden acted as writers' assistant Cerie Xerox. Other cast members include, Maulik Pancholy as Jonathan, Grizz Chapman as Grizz Griswold, Kevin Brown as "Dot Com" Slattery, and John Lutz as J.D. Lutz. The show regularly features guest stars. Steve Buscemi plays private investigator Lenny Wosniak, while Will Arnett acts as Devon Banks, Jack's enemy. Cheyenne Jackson guest starred in this season as Danny Baker, the new cast member on "TGS". Fey had seen Jackson in the Broadway musicals "Xanadu" and "Damn Yankees", the latter starred Jane Krakowski. Fey set up a meeting with Jackson to interest him in a role on the program with him accepting. Bobb'e J. Thompson and Sherri Shepherd returned as Tracy Jr. and Angie Jordan, respectively, the son and wife of Tracy Jordan. Leo Spaceman was played by Chris Parnell. Julianne Moore and Elizabeth Banks appeared as Nancy Donovan and Avery Jessup, respectively, as love interests for Jack. Jan Hooks acts as Verna Maroney, Jenna's mother. Jon Hamm, Jason Sudeikis, and Dean Winters reprised their roles as Drew Baird, Floyd DeBarber, and Dennis Duffy, respectively, as former boyfriends of Liz. Michael Sheen portrays Wesley Snipes, a man who believes that he and Liz are destined for each other. Anita Gillette, Patti LuPone, and Elaine Stritch played Margaret Lemon, Sylvia Rossitano, and Colleen Donaghy, respectively, the mothers of Liz, Frank, and Jack, respectively. Matt Damon's character Carol is introduced as a love interest in the season finale. Robert Canning of IGN scored this season an 8.4 out of 10 rating, noting it was "impressive" and that "30 Rock" "is no longer a fresh new series and a bit of the Season 4 doldrums could be felt mid season.