Jack

Jack may refer to:
==Characters==
* Jack Marley - An elderly ex-worker at the Springfield Nuclear Power Plant.
* Jack Bauer - An American federal agent.
* Jack Larson - A slick spokesman and president for Laramie Cigarettes.
* Jack Crowley - A criminal that was imprisoned in the Waterville State Prison for shooting Apu.
* Wolfguy Jack - The owner of Greaser's Cafe before it went out of business.
* Jack Tate - A comic book artist
* Jack Deforest - A boy transferred to Springfield Elementary, who got to the lead in the Casablanca school play along with Lisa.
==Guest Stars==
* Jack Black - Guest starred in "Husbands and Knives" as Milo.
* Jack Sheldon - Guest starred in the episode "The Day the Violence Died", as the voice of the Amendment in the "Amendment to Be" clip.
* Jack Burns - Guest Starred in the episode "Beyond Blunderdome" as Edward Christian.
==Cast and Crew==
* Jack Barth - A former writer on The Simpsons.
==See also==
* Jackie