Steve Martin guest stars on the November 20 episode of 30 Rock. He plays an eccentric millionaire trying to woo Liz Lemon.
Jennifer Aniston guest stars on the November 13, 2008 episode of 30 Rock. She portrays Liz's unstable former roommate.
Gosh, how we love Jack Donaghy on 30 Rock. Alec Baldwin should win every award ever made for his portrayal of this character.
Jerry Seinfeld guest-starred on a season two episode of 30 Rock. Plenty of more celebrities are lined up to appear on season three.
Tracy Morgan, Tina Fey and Alec Baldwin star on 30 Rock. We're laughing just staring at this picture.

30 Rock Quotes

Jenna: Oh, I'm not worried because I have something the other actors don't.
Liz: Don't say your sexuality.
Jenna: My sexuality.
Liz: Oh, god, Jenna! When has that ever worked?
Jenna: When has it not worked?!

Passing out and cursing on St. Patrick's Day. Is nothing sacred anymore?