This undated image released by NBC shows James Marsden as Criss, right, and Tina Fey as Liz Lemon in a scene from "30 Rock." The characters will wed on the “30 Rock” episode that airs Nov. 29. (AP Photo/NBC, Ali Goldstein)

This image released by NBC shows a mock save-the-date announcement for fictional characters Liz Lemon and Criss Chross from the NBC comedy series "30 Rock." Characters Lemon, played by Tina Fey, and Criss, played by James Marsden will marry on an episode of the show airing Nov. 29. (AP Photo/NBC)

This theater image released by Sam Rudy Media Relations shows Daniel Breaker, from left, Alicia Silverstone and Henry Winkler during a performance of "The Performers," in New York. (AP Photo/Sam Rudy Media Relations, Carol Rosegg)

This undated image released by NBC shows James Marsden as Criss, right, and Tina Fey as Liz Lemon in a scene from "30 Rock." The characters will wed on the “30 Rock” episode that airs Nov. 29. (AP Photo/NBC, Ali Goldstein)