Ron Perlman

as Eli Pierson

as Maury Goldman

as Angelo

as Mr. Carter

as Self

as Rabbi Schumann

as Father Carlton

as Rock Powers (voice)

as Beau

as Vernon Hale

as Ron Perlman(1 ep)

as Mr. Harrison

as Self(1 ep)

as Roger

as Brooks

as Dalton Kirby

as Robert Cady(3 eps)

as Robert Cady (voice)(1 ep)

as Self

as Self

as Theo

as The Ride (voice)

as Victor Cain

as The Chief

as Slade Klossus (voice)

as Murray

as Governor Starks

as Stevie

as Charlie Conner

as Dr. Orion Zephyr

as Mayor Miccelli

as Prentice Stanton

as Self

as Super Mutant(1 ep)

as Toby Hellinger(1 ep)

as Lich (voice)(2 eps)

as Bobo

as Pappi

as Kunyi (voice)

as Optimus Primal (voice)

as Sterling Frost Sr.(1 ep)

as Sterling Frost Sr. (voice)(1 ep)

as The Merc

as Podesta (voice)

as Self

as Self

as Self

as Sans

as Sheriff Hickey

as Benedict Drask

as Mr. Wallendorf

as Bruno

as Self

as Self

as Self (archive)

as Admiral

as RP

as Preston

as The Lich (voice)(1 ep)

as DUI Detainee(1 ep)

as Mr. Wiley

as Henry

as Charlie Storm

as General Pershing

as Bernardo (voice)

as Big Graham(3 eps)

as Birdie

as Self - Special Guest Star(1 ep)

as Frank Napier(18 eps)

as Narrator

as Asher

as Self

as Magnus (voice)

as Optimus Primal / Optimal Optimus (voice)

as The Sheriff

as Peter

as Sheriff Jack

as Shoggoth (voice)

as Al Braverman

as The Stabbington Brothers (voice)(1 ep)

as Narrator

as Bular (voice)(12 eps)

as Gnarlak

as Wes Chandler(20 eps)

as Shoggoth (voice)

as Ed Murphy

as Kidman

as Self - Guest Panelist(1 ep)

as Terry 'Shotgun' Coburn

as Calabrese

as Viktor Dragovic

as Bill

as Xibalba (voice)

as Judge Pernell Harris(20 eps)

as Self (archive footage)

as Anslinger

as Louie the Jaw

as Barry Lerner

as Det. Chilcoat

as Narrator (voice)

as nameless rider

as Judge Henry South

as Darryl (voice)(1 ep)

as Pete

as Luther Braxton(2 eps)

as Polyphemus (voice)

as Narrator

as Deathstroke / Slade (voice)

as Hannibal Chau

as Mel(2 eps)

as Hannibal Chau(1 ep)

as Phyllis

as Gene Krupa (voice)

as Mayor Williams

as Horus

as Sinestro (voice)(1 ep)

as Slade (voice)(2 eps)

as Slade / Alfred Pennyworth (voice)(1 ep)

as God

as Nino

as Corin

as Felson

as Stabbington Brother (voice)

as Self

as Parker (voice)

as Nicola

as Priest Bill

as The Lich (voice)(1 ep)

as Dr. Julian

as Sheriff

as Jim

as Ramon Limon (voice)(2 eps)

as Wesley

as Self - Narrator (voice)(71 eps)

as Curtis Sunday

as Double X / Dr. Ecks (voice)(1 ep)

as Self

as Gha Nachkt (voice)(2 eps)

as Clay Morrow(79 eps)

as Father Duffy

as Brother Samuel

as Hellboy

as Self - Hellboy, Hellboy 1 & 2

as Gunnar

as Red Cap (voice) (uncredited)

as Bobby

as Norick

as Arbor (voice)(3 eps)

as Self

as Elder Vorin (voice)

as The Man in the Hat

as Hellboy (voice)

as Hellboy (voice)

as Father Drake

as Justice (voice)(2 eps)

as Dwayne Burcell

as Hellboy (voice)

as Ed Pollack

as Captain Skunkbeard / Biff Wellington (voice)

as Vito

as Collie Entragian

as Vice Principal Lancer (voice)

as (voice)

as Kago (voice)

as Hotep / Ancient One #2 (voice)

as General von Binding

as Sozin (voice)(1 ep)

as Monster Hunter (voice)(1 ep)

as Colonel (voice)(1 ep)

as Fang (voice)(1 ep)

as Bandit (voice)(1 ep)

as Red

as Self(5 eps)

as Rumor / Killer Croc (voice)(1 ep)

as Killer Croc (voice)(3 eps)

as Orion (voice)(1 ep)

as Self

as Detective Sergeant Perry

as Vice Principal Lancer (voice)(49 eps)

as Hellboy

as Ron Perlman

as Self(1 ep)

as Self

as Acme VP, Never Learning

as 'Ugly' Jim McCrae

as Colonel McKellog

as Slade (voice)(18 eps)

as Captain

as Murchison

as Self - Narrator

as Dr. William Winslow

as Christopher Bellows

as Viceroy Vkruk

as Inspector Malpumpkin / Joe / Frozen Fiend (voice)(1 ep)

as Self

as Warhawk (voice)(2 eps)

as Reinhardt

as Orion (voice)(2 eps)

as Clayface (voice)(2 eps)

as Fiery Blaze(1 ep)

as Morgan

as Mitchell

as Colonel Nikolas Rokoff (voice)(1 ep)

as Koulikov

as Leader (voice)(1 ep)

as Heavyman / Koenig (voice)(1 ep)

as Party Guest (uncredited)

as Karl Nivor (voice)(1 ep)

as Lord Morton

as Sam Tucker (voice)

as Charles Burden Sr.

as Nick Everson

as Dr. Harlan Jessup

as Marshal Nalhober

as Roy(1 ep)

as Frank Brodie

as The Director

as Booking Agent

as Mr. Kellman(1 ep)

as Cemetery Caretaker

as Wild Horse (voice)(1 ep)

as Gascone

as Jerry Paul

as Grasping (voice)

as Josiah Sanchez(23 eps)

as Dr. Ramsey Krago

as Alan Manieski

as Johner

as Clayface (voice)(2 eps)

as Self(1 ep)

as Boltar

as 40132(1 ep)

as Donnie Shank

as Cliff

as Mickey Kaline (voice)(1 ep)

as Mickey Kaline / Weiner Cooker (voice)(1 ep)

as Kurtis Striker (voice)(13 eps)

as Jax-Ur (voice)(3 eps)

as Sayer of the Law

as Satan (voice)

as Stuart(1 ep)

as Lord Vox of Vestron

as Doctor Frederick Texarian

as Gambler

as Norman Arbuthnot

as Sylvester

as Mr. Scratch (voice)

as One

as Chas Bradley

as Lt. Col. Brandon Grace(1 ep)

as Graft

as Hulk/Dr. Bruce Banner (voice)(2 eps)

as Hulk (voice)(1 ep)

as Wizard/Hulk (voice)(1 ep)

as Detective Pantella

as Konstantine Konali

as Dr. Douglas Eben

as John McClure

as Roland Thompson (voice)(1 ep)

as Lt. Col. Delacroix

as Arbutus (voice)(1 ep)

as Angel de la Guardia

as Jack's Attorney

as Satan (voice)(1 ep)

as Sgt. Sweete (voice)(1 ep)

as Sgt. Grating (voice)(65 eps)

as Pap Finn

as The Messenger(1 ep)

as Apollo (voice)(1 ep)

as Driller (voice)(1 ep)

as Clayface (voice)(3 eps)

as Captain Soames

as Frank Cerrillo

as Jacob Shuler

as Self - Guest(1 ep)

as Vincent(56 eps)

as Self

as Self (uncredited)

as Salvatore

as Attorney(1 ep)

as John Ruger(1 ep)

as Zeno

as Self

as Amoukar

as Self