Photo Flash: Cheyenne Jackson On NBC's 30 ROCK - Sneak Peek!

The series takes place behind the scenes of a fictional live sketch comedy series depicted as airing on NBC; the name "30 Rock" refers to the address of the GE Building where NBC Studios is located, 30 Rockefeller Plaza. The series has an ensemble cast that currently consists of 10 regular cast members, including Fey, Tracy Morgan, Jane Krakowski, Jack McBrayer, Scott Adsit, Judah Friedlander and Alec Baldwin.

"30 Rock" has been a critical success, winning several major awards, and achieving the top ranking on myriad critics' year-end best of 2006 and 2007 lists. On July 14, 2009 the show was nominated for 22 Emmy Awards, the most in a single year for a comedy series.

Cheyenne Jackson is an award winning stage and film actor currently starring as Woody in the new Broadway revival of Finian's Rainbow at the ST. James Theatre. Most recently Cheyenne was rocking the house as Sonny Malone in the smash hit Xanadu (Drama League, Drama Desk nominations) on Broadway. Off and on Broadway he starred as Joe Hardy in the New York City Center production of Damn Yankees opposite Jane Krakowski and Sean Hayes, Nicky Silver's The Agony & the Agony with Victoria Clark, All Shook Up (Theater World Award, Drama League, Outer Critics Circle nomination) the premier cast of Altar Boyz, Aida, Thoroughly Modern Millie, The Cartells, On The 20th Century and The 24 Hour Plays.

Jackson's film credits include the Oscar nominated United 93, Curiosity and Hysteria. He has guest starred on TV in "30 Rock," "Ugly Betty," "Lipstick Jungle" and "Life After Mars." Additionally, he portrayed "Sebastian Kinglare" for the Sony/Lifetime Television pilot "Family Practice." Cheyenne made his sold-out club debut in with his show "Back to the Start" at Feinstein's at Loews Regency earlier this year.