Quince
Sully
Lou
Tom Manning
Dr. Fish
Coach Wenchell
Dr. Potts
Ken
Wizard
Waldemar
Vance Crasswell
Anthony James
Walt Whalen Jr.
Dr. Whitby
King Neptune (voice)
Mayor Augustus Maywho
Mr. Rice
Jinx
Dr. Feldman
Devil
Boris Potemkin
Carl Murphy (voice)
Gordon Blythe
Maury Garner
Sid Garner
Jack Boomer
Adam Shadowchild
Jay Porter
Mr. Salomone the Manager
Vladimir
Geek / Jeffrey / Dr. Geekman
Mitchell
Mort Broome
Detective Waylon
Lawyer (uncredited)
Dr. Stockton
Vigman
Mr. Gremmins
Mr. Larry Marks
Willie
Harris Chappell
Christopher
Self
Eli (voice)
Gerald Webber
Bob Gibbons
Peter (voice)
Isser Harel
Bruce Cutler
Anthony
Dr. Zin
Big Nose Thug (voice)
K. Edgar Singer
Self (archive footage)
Wilhelm the Tinkerer
Snowman (voice)
Alan Blanchard
Art Lundstrum
Francis Silverberg
Bill Shurmur
Dankworth
Alden Pepper
Crane
Jeffrey Taglentini
Dr. Lindsey
Lance Kessler
Bernie Abbot
Bank Employer
King Peppy (voice)
Georgy Malenkov
Professor Michael Silver
Danny
Writer
Santa (voice)
Big Nose (voice)
Mort Cohen
Clem Greenberg
Roy Preston
David Bryant
Mr. Solomon
Jeffrey Bauman
Mr. Calvin Curdles (voice)
Uncle Alby
Peter LaPorte
Scott's Dad (uncredited)
Jerry
Santa Claus (voice)
God
Don Hecker
Harry Lanson
Dr. Leo Krutz
Hank Kingsley
Todd Emory / Allison Dubois
Russell Armstrong
Gordon Salt
Joe Baines
Reddish
Jerzy Skaggs
Black Jack Lee (voice)
Beetle Fiero (voice)
Dr. Stevens
Kyle Montgomery
Charlie Marno
William Klein
Hank Hibler (voice)
Jeffrey P. Brookes III
Medical Examiner
Winston Cromwell III
Murray
Neil
Self - Guest
George Bluth Sr.
Franklin Hart
Torvald Utne (voice)
Uncle Saul
Gill Littlefoot (voice)
Jake Gorelick
Crocker (voice)
Jefferson
Governor Massengill
Walt Riggins
The Mole (voice)
Congressman Walter Griswald
Maura Pfefferman
Himself
Lloyd French
Self - Panelist
Lester Cohen
Tom Miller
Phillip Greene
Don Hirsch
Captain Flarty (voice)
St. Crispy (voice)
King Salmoneus (voice)
Dr. Zed (voice)
Self - Announcer (voice)
Len Trexler (voice)
Ben Mercer
Steve (voice)
Pierre Salinger
Sharaff
Judge Alan Wachtel
Sennett
Lawrence Jurgens
Judge George Kluger
Randolph Verascola (voice)
Bettys friend (voice)
Dr. Barry Cohen
Professor Cakes (voice)
(voice)
Harold Rogers
Steven's Father
Barry Dilwynn
Night Wizard (voice)
Mr. Harold Rogers
Glossaryck (voice)
Crazy Quilt / Green / Red (voice)