- Fred Willard - Award Show Host
- Gilbert Gottfried - Al's Imaginary Friend Gilbert
- Kevin McCarthy - Mayor
- Patton Oswalt - Seymour
- Drew Carey - Al
- Kevin Weisman - Spike
- Jack Plotnick - Uncle Ralphie
- Clarence Clemons - Miner
- Judy Tenuta - Madame Judy
- Gedde Watanabe - Kuni
- Michael McKean - Miner
- Eddie Deezen - Guy Boarded Up in the Wall (voice)
- David L. Lander - Miner
- Emo Philips - Dr. Philips
- Emo Philips - The Slawmeister (voice)
- David Bowe - Miner
- Thomas Dekker - Son
- Bill Kirchenbauer - Cold Relief Man
- Patricia Place - Mrs. Fesenmeyer
- Todd Patrick Breaugh - Siskel
- Jess Harnell - Dr. Legume (voice)
- Henry Corden - Fred Flintstone (voice)
- Jean Vander Pyl - Wilma Flintstone (voice)
- Mary Lynn Rajskub - Weather Woman
- Ed Marques - Varna
- Dick Van Patten - The Burglar
- Charles Fleischer - Buford
- Charles Fleischer - Eggman (voice)
- Barry Hansen - Dr. Demento
- The Amazing Johnathan - Uncle Johnathan
- Kerry Norton - Contortionist #1
- Doug Jones - Contortionist #2
- Tress MacNeille - Soothing Voice (voice)
- Dick Clark
- 'Weird Al' Yankovic
- Jay Levey
Brian Haley interpreta a The Hooded Avenger en la serie.
Gary LeRoi Gray interpreta a Bobby the Inquisitive Boy en la serie.
Billy West interpreta a Announcer (voice) en la serie.
Beau Weaver interpreta a Channel Hopping Announcer (voice) en la serie.
Danielle Weeks interpreta a Cousin Corky en la serie.
Stan Freberg interpreta a Papa Boolie (voice) en la serie.
Paula Jai Parker interpreta a Val Brentwood, Gal Spy en la serie.
Donavan Freberg interpreta a Baby Boolie (voice) en la serie.
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