As previously reported, stage and screen star Cheyenne Jackson will also be back for the episode as "TGS" cast member Danny.
Damon, an Academy Award winner for co-writing the screenplay for “Good Will Hunting,” in which he also starred, was recently nominated for “Invictus” and is also known for “The Bourne Supremacy” movies, among many others. Hamm has been Emmy-nominated for his guest work on “30 Rock” and his starring role as Don Draper on “Mad Men.”
"30 Rock" airs Thursdays at 8:30 PM ET on NBC.
In the series' first live episode, two versions will be telecast -- one live for the East Coast and one for the West Coast. The first show will be telecast at 8:30-9 PM (ET) for the East, and the cast will perform the same episode for a new broadcast at 11:30 PM-midnight (ET) for the West. Central time zone viewers will be able to see the first live show at its regular time, 7:30-8 PM CT.
