30 Rock Guest Stars

Carol Burnett, Liz's TGS-loving pilot boyfriend

Drew Baird, handsome and dimwitted doctor

Gavin Volure, agoraphobic and reclusive millionaire

Stewart LaGrange, UN employee that Liz mistakes for a little boy

Colleen Donaghy, Jack's mother

Nancy Donovan, Jack's childhood crush with a heavy Boston accent

Avery Jessup, CNBC reporter and Jack's second wife

Bianca, Jack's first wife

Cooter Burger, member of the Bush administration

Ritchie, NBC editor and Civil War re-enactor

Regina Bookman, democratic congresswoman

Lenny Wosniak, private investigator

Claire, Liz and Jenna's crazy college roommate

Ron, Kenneth's hillbilly step-father

Tom, NBC maintenance man who discovers a gas leak in the sixth floor in his final day before retirement

Lynn Onkman, Frank's middle school teacher and lover

Sylvia Rossitano, Frank's mother

Mitch, Liz's amnesiac younger brother stuck in 1985

Raheem, Liz's neighbor whom she believes is a terrorist

Kim Jong-Il / Kim Jong-Un