Gordon
Salt (voice) (1 episode)
Ed Vanderspeigle (1 episode)
Professor O'Callaghan (voice) (1 episode)
Arthur Hammond
Gromflomite General (voice) (1 episode)
Jackson (voice) (1 episode)
Dr. Rostrum (voice) (1 episode)
Grampa (voice)
Gene Jakobowski (voice) (1 episode)
Title Narrator (12 episodes)
Analyst
Cringer (voice) (5 episodes)
The Nanomachines (voice) (1 episode)
Solomon Smythe (4 episodes)
Martin Mertens (voice) (1 episode)
Petey's Father (voice) (10 episodes)
Mr. Big Corporation (voice) (1 episode)
Gary (voice) (1 episode)
Mark (voice) (3 episodes)
Tony
Jeff Strawberry (voice) (1 episode)
Chief Cogburn / Merie Cogburn (voice) (1 episode)
Merie Cogburn (voice) (4 episodes)
Chief Cogburn (voice) (4 episodes)
Dutch
Warlock G (voice) (1 episode)
Warlock G / Mr. Assam (voice) (1 episode)
Warlock G / Police Officer (voice) (1 episode)
Jail Tattoo Artist (voice)
Mayor Toadstool
Professor Anders (voice) (4 episodes)
Rexford / Zach / Rover (voice) (1 episode)
Zach / Bread Monster (voice) (1 episode)
Rexford / Trees / Video Person (voice) (1 episode)
Lortha Peel (1 episode)
Ron Petkus (2 episodes)
Police Chief Earl Grant (voice) (6 episodes)
Agent Flannigan
Father Browning
Cringer / Battle Cat (voice) (10 episodes)
Goodman
Bildorf (voice) (1 episode)
Daddy Mac
Bernard (voice) (4 episodes)
Arthur Parsons
Maynard Barnes (7 episodes)
Mr. M / Bob / Additional Voices (voice) (1 episode)
J.W. Guidebook (voice) (1 episode)
Walt Breckman
Neil Mullin
Jeremiah Whitewhale (voice) (1 episode)
Cockmando (voice)
Self - Panelist (1 episode)
Dean Stuart / Additional Voices (voice) (1 episode)
Stuart (voice) (5 episodes)
Additional Voices (voice) (1 episode)
Prime Monister (voice) (1 episode)
Mayor Toadstool (voice) (15 episodes)
Professor Brown
Teller (segment "Near Algodones")
Mr. Fyde / Avacadwoe / Hush Muffleman (voice) (1 episode)
Uncle Danny (8 episodes)
Mike Cook
Monroe Fuches (32 episodes)
Morty Van Rookle
Dr. Rogers
Judge Walsh (1 episode)
Ron Walton
Mortimer Begoyle (1 episode)
Fenton
Jim Hudson
Martin (voice) (1 episode)
Hawthorne Abendsen (10 episodes)
Dr. Mindala
Pascal (1 episode)
The Jackalope (voice)
Harvey Toplin (1 episode)
Uncle Henry (voice)
Bubbles (voice)
J. Edgar Hoover
Ken Russel (17 episodes)
Floyd / Additional Voices (voice)
Hymie King
Brian (voice) (2 episodes)
Col. Al Lingo
Floyd (voice) (1 episode)
Lynn Boyle (4 episodes)
Farmer (voice) (2 episodes)
Roger
General Stomtonovich (2 episodes)
Habberman
Zor-El (voice)
Avery Boomer
Billy Cusimano
Gaston Means (1 episode)
Mildew (voice) (16 episodes)
Bud Gleeful (voice) (5 episodes)
Bud Gleeful / Additional Voices (voice) (2 episodes)
Judge Murphy Wicks (2 episodes)
White Lotus Leader / Gommu / Chung (voice) (1 episode)
Gommu (voice) (1 episode)
Jack Haly (voice) (2 episodes)
Governor Haskell
Raymond (1 episode)
Arthur Koehler
Cap Collins (1 episode)
Brendon (voice)
Hattanzo the Drifter (voice) (1 episode)
Hank Maestro (1 episode)
Sherrif Wynan
Uncle Henry / Crows (voice)
John Lloyd
Doc / Merrimack / Mr. Snuggles (voice)
Senator Larder
Bill Krogstad
Judge Taylor (1 episode)
Burt (voice)
Dr. Hepa (1 episode)
Charles Thompson
Mike Reardon (7 episodes)
Bill Prady (3 episodes)
Remington
Penguin / Planet Master (voice) (1 episode)
Woozy Winks (voice) (2 episodes)
Penguin / Carnival Barker (voice) (1 episode)
Killer Croc / Penguin (voice) (1 episode)
Ricardo Collini (1 episode)
Gus Lacey
Lance (voice)
Lance (voice) (1 episode)
Fred Franklin
Curt Reynolds
Turtle (voice)
Steve
Johnny Forrealz (1 episode)
Dwight Dixon (5 episodes)
Ethan Melman (1 episode)
Chode (voice)
Pat Jennings (1 episode)
Principal Doppler
Sculptor
Glover
Man Who Hires Wells
Sheriff Brock
Talent Scout (voice)
Richard Clarke (2 episodes)
Judge Hector "The Hangman" (uncredited)
Herb
Aardvark Dad (voice)
Val Yor (voice) (1 episode)
Dick (voice) (6 episodes)
Dick / Dentist's Father (voice) (1 episode)
Cowboy Gambler (voice; uncredited)
Bob Mayer (9 episodes)
Vince Masters
Dr. Freeman
Harbin (1 episode)
Fernand Gudge
Greenie
Dwight Nestor
Chode (voice) (39 episodes)
Michael Kirkwood (1 episode)
Cameron
Bubbles (voice)
Al Crannis (1 episode)
Pop-Pop Porter (voice) (1 episode)
Mr. Nevius (voice) (1 episode)
Texan (voice) (1 episode)
Phillipe Bullion / Pop-Pop Porter (voice) (1 episode)
Chester Yapsby (voice) (1 episode)
Memphis (voice) (1 episode)
Zeb Zoober (voice)
Cat Man (voice) (2 episodes)
Dr. Drake Kelson (1 episode)
Frank / Start (voice)
John Pratt (2 episodes)
Mr. Andrews (voice) (1 episode)
George MacPherson (1 episode)
Theodore 'Teddy' Roosevelt (voice) (1 episode)
Senator Culpepper (1 episode)
Mr. Sweeney (2 episodes)
Sheriff (voice) (2 episodes)
Sheriff / Sentry #2 (voice) (1 episode)
Radio Station Man
Dennis Mansky
Dr. Donovan (voice) (26 episodes)
Big Ducky (voice)
Reverend Amos Howell / Unity (voice) (1 episode)
Milton Waddams
Mr. Crenshaw
Kane Cohen
Houston Plant Manager (2 episodes)
Chris Kraft (5 episodes)
Gerald Adams
Bill Dauterive (voice) (265 episodes)
Mark Hastings (2 episodes)
Graham Dunbar
Mr. Lager (1 episode)
Ed Kirkman
Jaan Laaman
F.A.A. Negotiator (1 episode)
Jimmy James (97 episodes)
Awakened Neighbor
Phil Asher (1 episode)
Trumpet Playing Mental Patient (1 episode)
Clarence Sweetwater (2 episodes)
Charlie Lane (1 episode)
Kevin McDonald
Football Coach (1 episode)
Max Alvarez
Don Durenberger
Secretary of War Edwin Stanton
John Tremaine Jr. (1 episode)
Mr. Tucker (1 episode)
Coontz
Brother Timothy (1 episode)
Gary Murray
Mr. Chaney (1 episode)
Kevin McDonald
Sheriff Bobby (1 episode)
Captain K'Vada (2 episodes)
Exterminator (1 episode)
Randolph
Mickey
Major Moreland (6 episodes)
Major Moreland
RKO Guard
Atty. Brandon McCafferty (4 episodes)
Spirit of Death (1 episode)
Mr. Willard (1 episode)
Police Sgt.
Mr. Hentley
Dean Burbage
DEA Agent (Toilet)