NBC's 30 Rock is pulling out all the stops when it comes back from its brief break with fresh episodes. For the April 5 (at 9 pm/ET, remember) return, the acclaimed comedy has tapped Will Arnett (of Arrested Development fame, and the real-life hubby of Tina Fey's ol' WU-mate Amy Poehler) to play a West Coast NBC exec whom Jack believes is out to get him. And for the freshman season finale, airing April 26, Will & Grace Emmy winner Sean Hayes will guest as Kenneth the page's equally countrified cousin, Jesse. Best casting ever? Discuss.

Renew this show now. Thanks.