Production staff cameos

This is a List of staff members who have appeared in The Simpsons. Various writers, animators and producers have been inserted into shows as background characters. While these are often minor and non-vocal, there are a few instances where these characters have lines, such as in "The Front" and "The Itchy & Scratchy & Poochie Show". Matt Groening and James L. Brooks have both voiced themselves in episodes.

Cameos
This list is a work in progress.

Conan O'Brien

 * "Bart Gets Famous": Conan guest stars as himself, and Bart appears on his talk show.
 * "Radioactive Man": When Homer is flipping through channels, he passes Conan's show.

James L. Brooks

 * "The Front": He can bee seen in the audience during the award show.
 * $pringfield (Or, How I Learned to Stop Worrying and Love Legalized Gambling): He appears as a hobo when Grampa and Jasper are walking down the street. This hobo caricature also appears in Homer Loves Flanders in the homeless shelter and in You Only Move Twice during the Cypress Creek information video.
 * In the disc holder artwork for The Complete Tenth Season, James appears in a crashed studio lot cart.
 * He guest stars as himself in "A Star Is Born Again".

Dan Castellaneta

 * "I Am Furious (Yellow)": He is voice actor who plays Angry Dad.
 * "Homer Simpson, This Is Your Wife": The studio cart passes him in the Fox Studio.
 * "He Loves to Fly and He D'ohs": Is in a play.


 * "The Front": He can bee seen in the audience during the award show.
 * "The Boy Who Knew Too Much": He appears as the courtroom artist.
 * "My Big Fat Geek Wedding": He guest stars as himself at the sci-fi convention.
 * "22 Short Films About Springfield": He is one of the people laughing at Nelson when his pants are pulled down.
 * "Treehouse of Horror X": He is one of the celebrities captured by The Collector.
 * In the couch gag for "Guess Who's Coming to Criticize Dinner?" that has Matt Groening's autograph on the floor and Marge cleans only to have Matt rewrite it.
 * "Worst Episode Ever": His picture is on the wall of people who are banned from Comic Book Guy's store.
 * In the couch gag for "Blame It on Lisa" that has the family as puppets, Matt is revealed to be the operator of them.
 * The couch gag for "Don't Fear the Roofer" Matt yells woo hoo after Homer's hand finishes a puzzle.
 * In the disc holder artwork for The Complete Tenth Season, Matt appears in a crashed studio lot cart.
 * He appears as a boss in The Simpsons Game.

Julie Kavner

 * "The Simpsons Spin-Off Showcase": She appears on a poster for Rhoda in the Museum of TV and Television.

Tress MacNeille

 * "The Simpsons Spin-Off Showcase": The character Betty is a cariciture of herself. Betty is also played by her.