Michael McKean
Mr. Bream (voice)
Acting
Courtland Mead
Gustav Patten 'Gus' Griswald (voice)
Acting
Ashley Johnson
Gretchen Grundler (voice)
Acting
Jason Davis
Mikey Blumberg (voice)
Acting
James Earl Jones
Mister (voice)
Acting
Rickey D'Shon Collins
Vincent Pierre 'Vince' LaSalle (voice)
Acting
Andrew Lawrence
Theodore J. 'T.J.' Detweiler (voice)
Acting
Bobbi Page
Chorus (singing voice) (uncredited)
Acting
Ross Malinger
T.J. Detweiler (archive sound)
Acting
Pamela Adlon
Ashley Spinelli
Acting
Allyce Beasley
Miss Alordayne Grotkey
Acting
April Winchell
Miss Muriel P Finster
Acting
Dabney Coleman
Principal Peter Prickly
Acting
Gregg Berger
Robotic Santa/TV Editor/Astronaut
Acting
Klee Bragger
Digger Sam
Acting
Dick Clark
Dick Clark
Acting
Rachel Crane
Ashley Q
Acting
E. G. Daily
Trisha/Cap'n Sticky/Mall Elf/Kid #2
Acting
Paul Dooley
Hank the Janitor/Mall Santa
Acting
Blake McIver Ewing
Menlo
Acting
Robert Goulet
Mikey Blumberg
Acting
Jess Harnell
Ricky McCloud
Acting
Tress MacNeille
(voice)
Acting
Anndi McAfee
Ashley A (voice)
Acting
Sam McMurray
(voice)
Acting
Ryan O'Donohue
Randall Weems/Digger Dave
Acting
Katey Sagal
Flo Spinelli
Acting
Ronnie Schell
Mayor Fitzhugh
Acting
Michael Shulman
Hustler Kid
Acting
Francesca Marie Smith
Ashley B (voice)
Acting
Erik von Detten
Erwin Lawson
Acting
Frank Welker
Animal voices
Acting