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.
 * "Jolly" Jack Tate - A comic book artist

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.