 Michael McKeanMr. Bream (voice) | Mr. Bream (voice) |
 Courtland MeadGustav Patten 'Gus' Griswald (voice) | Gustav Patten 'Gus' Griswald (voice) |
 Ashley JohnsonGretchen Grundler (voice) | Gretchen Grundler (voice) |
 Jason DavisMikey Blumberg (voice) | Mikey Blumberg (voice) |
 James Earl JonesMister (voice) | Mister (voice) |
 Rickey D'Shon CollinsVincent Pierre 'Vince' LaSalle (voice) | Vincent Pierre 'Vince' LaSalle (voice) |
 Andrew LawrenceTheodore J. 'T.J.' Detweiler (voice) | Theodore J. 'T.J.' Detweiler (voice) |
 Bobbi PageChorus (singing voice) (uncredited) | Chorus (singing voice) (uncredited) |
 Ross MalingerT.J. Detweiler (archive sound) | T.J. Detweiler (archive sound) |
 Pamela AdlonAshley Spinelli | Ashley Spinelli |
 Allyce BeasleyMiss Alordayne Grotkey | Miss Alordayne Grotkey |
 April WinchellMiss Muriel P Finster | Miss Muriel P Finster |
 Dabney ColemanPrincipal Peter Prickly | Principal Peter Prickly |
 Gregg BergerRobotic Santa/TV Editor/Astronaut | Robotic Santa/TV Editor/Astronaut |
| KKlee BraggerDigger Sam | Digger Sam |
 Dick ClarkDick Clark | Dick Clark |
 Rachel CraneAshley Q | Ashley Q |
 E. G. DailyTrisha/Cap'n Sticky/Mall Elf/Kid #2 | Trisha/Cap'n Sticky/Mall Elf/Kid #2 |
 Paul DooleyHank the Janitor/Mall Santa | Hank the Janitor/Mall Santa |
 Blake McIver EwingMenlo | Menlo |
 Robert GouletMikey Blumberg | Mikey Blumberg |
 Jess HarnellRicky McCloud | Ricky McCloud |
 Tress MacNeille(voice) | (voice) |
 Anndi McAfeeAshley A (voice) | Ashley A (voice) |
 Sam McMurray(voice) | (voice) |
| RRyan O'DonohueRandall Weems/Digger Dave | Randall Weems/Digger Dave |
 Katey SagalFlo Spinelli | Flo Spinelli |
 Ronnie SchellMayor Fitzhugh | Mayor Fitzhugh |
 Michael ShulmanHustler Kid | Hustler Kid |
 Francesca Marie SmithAshley B (voice) | Ashley B (voice) |
