Jack

Jack may refer to:

Characters

 * Jack (The Cad and the Hat); chief electrician on the set of the Simpson house.
 * Jack (The Wife Aquatic); captain of The Rotting Pelican.
 * Jack (Bart's Dog Gets an "F")‎; character in a soap opera.
 * Jack (Frycooks of the Caribbean); works in the kitchen at the The Frying Dutchman.
 * Jack Bauer; An American federal agent.
 * an Actor.
 * Jack Crowley; A criminal that was imprisoned in the Waterville State Prison for shooting Apu.
 * A fitness expert.
 * Jack Larson; A slick spokesman and president for Laramie Cigarettes.
 * Jack Lassen; Former teacher at Springfield Elementary and current prison guard.
 * Jack Marley; An elderly, former Springfield Nuclear Power Plant employee.
 * Jack Nicholson; a former Stonecutter.
 * Jack Stillwater; an executive at NASA.
 * Jack Tate; A comic book artist.
 * A member of the band.
 * Captain Jack; an alligator.
 * Wolfguy Jack; The owner of Greaser's Cafe before it went out of business.

Behind the Laughter

 * Jack Barth; A former writer on The Simpsons.
 * Jack Burns; Guest Starred in the episode "Beyond Blunderdome" as Edward Christian.
 * Jack Black; Guest starred in "Husbands and Knives" as Milo.
 * Jack LaLanne; Guest starred as in "The Old Man and the "C" Student".
 * Jack Lemmon; Guest starred in "The Twisted World of Marge Simpson" as Frank Ormand.
 * Jack McBrayer; Guest starred in "The Great Simpsina" as Ewell Freestone.
 * Jack Ong; Guest starred in "Das Bus" as the Chinese fisherman.
 * Jack Parmeter; writer of the special episode Springfield's Most Wanted.
 * 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 Van Leer; marketing manager on The Simpsons: Hit & Run.
 * Jack White; member of The White Stripes who guest starred as himself in the episode "Jazzy and the Pussycats".