Stephen Root

Wyck Crawford • 10 episodes

Detective Rennert

Brian Heder (voice) (uncredited)

Jampft (voice) • 2 episodes

Mark (voice) • 1 episodes

Chet

Dr. Badger • 4 episodes

Toomoo (voice) • 1 episodes

Glem Blorchman (voice) • 10 episodes

Arthur Hammond

Gordon

Grampa (voice)

Dr. Rostrum (voice) • 1 episodes

Cringer (voice) • 5 episodes

Title Narrator (voice) • 12 episodes

Analyst

Martin Mertens (voice) • 1 episodes

The Nanomachines (voice) • 1 episodes

Chief Cogburn / Merie Cogburn (voice) • 1 episodes

Merie Cogburn (voice) • 4 episodes

Chief Cogburn (voice) • 4 episodes

Salt (voice) • 1 episodes

Solomon Smythe • 4 episodes

Tony

Mr. Big Corporation (voice) • 1 episodes

Mark (voice) • 3 episodes

Petey's Father (voice) • 10 episodes

Professor Anders (voice) • 4 episodes

Rexford / Zach / Rover (voice) • 1 episodes

Zach / Bread Monster (voice) • 1 episodes

Rexford / Trees / Video Person (voice) • 1 episodes

Gary (voice) • 1 episodes

Jail Tattoo Artist (voice)

Dutch

Jeff Strawberry (voice) • 1 episodes

Warlock G (voice) • 1 episodes

Warlock G / Mr. Assam (voice) • 1 episodes

Warlock G / Police Officer (voice) • 1 episodes

Self

Ed Vanderspeigle • 1 episodes

Lortha Peel • 1 episodes

Porter

Cringer / Battle Cat (voice) • 10 episodes

Agent Flannigan

Police Chief Earl Grant (voice) • 6 episodes

Chris

Goodman

Father Browning

Gene Jakobowski (voice) • 1 episodes

Train Store Owner (voice) • 1 episodes

Maynard Barnes • 7 episodes

Arthur Parsons

Mr. M / Bob / Additional Voices (voice) • 1 episodes

Daddy Mac

Bernard (voice) • 4 episodes

Self • 1 episodes

Mayor Toadstool (voice) • 15 episodes

Neil Mullin

Cockmando (voice)

Walt Breckman

Self - Panelist • 1 episodes

Ron Petkus • 2 episodes

Monroe Fuches • 32 episodes

Teller (segment "Near Algodones")

Professor Brown

Dean Stuart / Additional Voices (voice) • 1 episodes

Stuart (voice) • 5 episodes

Additional Voices (voice) • 1 episodes

Prime Monister (voice) • 1 episodes

Mike Cook

Mr. Fyde / Avacadwoe / Hush Muffleman (voice) • 1 episodes

Uncle Danny • 8 episodes

Jim Hudson

J.W. Guidebook (voice) • 1 episodes

Dr. Rogers

Morty Van Rookle

Fenton

Ron Walton

Bubbles (voice)

Burt

Dr. Mindala

Mortimer Begoyle • 1 episodes

J. Edgar Hoover

Uncle Henry (voice)

Ken Russel • 17 episodes

The Jackalope (voice)

Brian (voice) • 2 episodes

Hawthorne Abendsen • 10 episodes

Hymie King

Todd

Pascal • 1 episodes

George

Self - Guest • 1 episodes

Jeremiah Whitewhale (voice) • 1 episodes

Burt Canton • 2 episodes

Col. Al Lingo

Farmer (voice) • 2 episodes

Self

Self

Gromflomite General (voice) • 1 episodes

Carl (voice) • 1 episodes

Lynn Boyle • 4 episodes

Habberman

Harvey Toplin • 1 episodes

Zor-El (voice)

Roger

Hugh

Nick Celisco

Avery Boomer

White Lotus Leader / Gommu / Chung (voice) • 1 episodes

Gommu (voice) • 1 episodes

Bud Gleeful (voice) • 5 episodes

Bud Gleeful / Additional Voices (voice) • 2 episodes

Judge Walsh • 1 episodes

General Stomtonovich • 2 episodes

Mildew (voice) • 16 episodes

Billy Cusimano

Governor Haskell

Jackson (voice) • 1 episodes

Doc / Merrimack / Mr. Snuggles (voice)

Arthur Koehler

Carty • 1 episodes

Brendon (voice)

Sherrif Wynan

Hattanzo the Drifter (voice) • 1 episodes

Elliot

John Lloyd

Bill Krogstad

Uncle Henry / Crows (voice)

Senator Larder

Martin (voice) • 1 episodes

Jack Haly (voice) • 2 episodes

Gaston Means • 1 episodes

Mike Reardon • 7 episodes

Brian • 1 episodes

Cap Collins • 1 episodes

Dr. Hepa • 1 episodes

Charles Thompson

Burt (voice)

Judge Taylor • 1 episodes

Judge Murphy Wicks • 2 episodes

Gus Lacey

Curt Reynolds

Fred Franklin

Turtle (voice)

Steve

Self

Remington

Lance (voice)

Raymond • 1 episodes

Eddie • 5 episodes

Woozy Winks (voice) • 2 episodes

Penguin / Planet Master (voice) • 1 episodes

Penguin / Carnival Barker (voice) • 1 episodes

Killer Croc / Penguin (voice) • 1 episodes

Principal Doppler

Hank Maestro • 1 episodes

Glover

Suds

Sculptor

Chode (voice)

Lance (voice) • 1 episodes

Floyd (voice) • 1 episodes

Dan • 2 episodes

Man Who Hires Wells

Ricardo Collini • 1 episodes

Dwight Dixon • 5 episodes

Johnny Forrealz • 1 episodes

Sheriff Brock

Pat Jennings • 1 episodes

Aardvark Dad (voice)

Judge Hector "The Hangman" (uncredited)

Talent Scout (voice)

Richard Clarke • 2 episodes

Herb

Dick (voice) • 6 episodes

Dick / Dentist's Father (voice) • 1 episodes

KC

Cowboy Gambler (voice; uncredited)

Stephen Root • 1 episodes

Ethan Melman • 1 episodes

Gordon

Fernand Gudge

Greenie

Dr. Freeman

Vince Masters

Chode (voice) • 39 episodes

Dwight Nestor

Bubbles (voice)

Val Yor (voice) • 1 episodes

Cameron

Rhino / Start (voice)

Pop-Pop Porter (voice) • 1 episodes

Texan (voice) • 1 episodes

Chester Yapsby (voice) • 1 episodes

Phillipe Bullion / Pop-Pop Porter (voice) • 1 episodes

Mr. Nevius (voice) • 1 episodes

Memphis (voice) • 1 episodes

Zeb (voice)

Bill Prady • 3 episodes

Al Crannis • 1 episodes

Cat Man (voice) • 2 episodes

Tony Bustamante • 3 episodes

Mr. Andrews (voice) • 1 episodes

Theodore 'Teddy' Roosevelt (voice) • 1 episodes

John Pratt • 2 episodes

Michael Kirkwood • 1 episodes

Radio Station Man

Sheriff (voice) • 2 episodes

Sheriff / Sentry #2 (voice) • 1 episodes

George MacPherson • 1 episodes

Senator Culpepper • 1 episodes

Professor O'Callaghan (voice) • 1 episodes

Priest (voice) • 1 episodes

Bob Mayer • 9 episodes

Dennis Mansky

Milton

Mr. Sweeney • 2 episodes

Gene • 30 episodes

Dr. Donovan (voice) • 26 episodes

Big Ducky (voice)

Mr. Crenshaw

Kane Cohen

Chris Kraft • 5 episodes

Gerald Adams

Bill Dauterive (voice) • 275 episodes

Dr. Drake Kelson • 1 episodes

Reverend Amos Howell / Unity (voice) • 1 episodes

Houston Plant Manager • 2 episodes

Mark Hastings • 2 episodes

Graham Dunbar

Ed Kirkman

Jimmy James • 97 episodes

Phil Asher • 1 episodes

Awakened Neighbor

Frank

F.A.A. Negotiator • 1 episodes

Jaan Laaman

Trumpet Playing Mental Patient • 1 episodes

Football Coach • 1 episodes

Clarence Sweetwater • 2 episodes

Kevin McDonald

Harbin • 1 episodes

Charlie Lane • 1 episodes

Coontz

Don Durenberger

Max Alvarez

Secretary of War Edwin Stanton

Dr. Kirby

R.O • 15 episodes

Gary Murray

Mr. Tucker • 1 episodes

Kevin McDonald

Exterminator • 1 episodes

RKO Guard

Mr. Chaney • 1 episodes

Mickey

Major Moreland

Major Moreland • 6 episodes

Sheriff Bobby • 1 episodes

Randolph

Police Sgt.

Brother Timothy • 1 episodes

Mr. Hentley

Mr. Lager • 1 episodes

Bildorf (voice) • 1 episodes

John Tremaine Jr. • 1 episodes

Berg

DEA Agent (Toilet)

Dean Burbage

Captain K'Vada • 2 episodes

Brandon McCafferty • 3 episodes

Ferret • 1 episodes

Spirit of Death • 1 episodes

Mr. Willard • 1 episodes