Eli Pierson
Maury Goldman
Producer
Angelo
Dalton Kirby
Mr. Carter
Mr. Harrison
Executive Producer
Brooks
Executive Producer
Victor Cain
Slade Klossus (voice)
Murray
Governor Starks
Stevie
Charlie Conner
Dr. Orion Zephyr
Mayor Miccelli
Prentice Stanton
Toby Hellinger (1 episode)
Lich (voice) (2 episodes)
Pappi
Kunyi (voice)
Optimus Primal (voice)
Sterling Frost Sr. (1 episode)
Sterling Frost Sr. (voice) (1 episode)
The Merc
Podesta (voice)
Sheriff Hickey
Benedict Drask
Mr. Wallendorf
The Lich (voice) (1 episode)
Admiral
Preston
Executive Producer
DUI Detainee (1 episode)
Mr. Wiley
Henry
General Pershing
Charlie Storm
Big Graham (3 episodes)
Bernardo (voice)
Birdie
Executive Producer
Frank Napier (10 episodes)
Producer
Asher
Producer
Magnus (voice)
The Sheriff
Executive Producer
Peter
Executive Producer
Sheriff Jack
Producer
Wes Chandler (20 episodes)
Producer (20 episodes)
Shoggoth (voice)
Executive Producer
Al Braverman
Executive Producer
Bular (voice) (52 episodes)
Shoggoth (voice)
Darryl (voice) (1 episode)
Ed Murphy
Kidman
Luther Braxton (2 episodes)
Terry 'Shotgun' Coburn
Calabrese
Viktor Dragovic
Xibalba (voice)
Judge Pernell Harris (20 episodes)
Anslinger
Louie the Jaw
Barry Lerner
Det. Chilcoat
Judge Henry South
Pete
Polyphemus (voice)
Slade Wilson / Deathstroke (voice)
Hannibal Chau
Hannibal Chau (1 episode)
Sinestro (voice) (1 episode)
Slade (voice) (2 episodes)
Slade / Alfred Pennyworth (voice) (1 episode)
Mayor Williams
Nino
Monster Hunter (voice) (1 episode)
Colonel (voice) (1 episode)
Fang (voice) (1 episode)
Bandit (voice) (1 episode)
Stabbington Brother (voice)
Parker (voice)
Nicola
Priest Bill
Double X / Dr. Ecks (voice) (1 episode)
Ramon Limon (voice) (2 episodes)
Dr. Julian
Sheriff
Wesley
Self - Narrator (voice) (72 episodes)
Curtis Sunday
Gha Nachkt (voice) (2 episodes)
Clay Morrow (79 episodes)
Brother Samuel
Father Duffy
Gunnar
Red Cap (voice) (uncredited)
Sozin (voice) (1 episode)
Warhawk (voice) (2 episodes)
Elder Vorin (voice)
The Man in the Hat
Hellboy (voice)
Hellboy (voice)
Father Drake
Justice (voice) (2 episodes)
Dwayne Burcell
Hellboy (voice)
Ed Pollack
Captain Skunkbeard / Biff Wellington (voice)
Collie Entragian
Orion (voice) (1 episode)
Vice Principal Lancer (voice)
Kago (voice)
Rumor / Killer Croc (voice) (1 episode)
Killer Croc (voice) (3 episodes)
Hotep / Ancient One #2 (voice)
General von Binding
Inspector Malpumpkin / Joe / Frozen Fiend (voice) (1 episode)
Detective Sergeant Perry
Vice Principal Lancer (voice) (49 episodes)
Hellboy
Ron Perlman
Acme VP, Never Learning
'Ugly' Jim McCrae
Colonel McKellog
Slade (voice) (18 episodes)
Orion (voice) (2 episodes)
Clayface (voice) (2 episodes)
Captain
Heavyman / Koenig (voice) (1 episode)
Murchison
Dr. William Winslow
Christopher Bellows
Viceroy Vkruk
Reinhardt
Fiery Blaze (1 episode)
Morgan
Colonel Nikolas Rokoff (voice) (1 episode)
Mitchell
Koulikov
Mr. Kellman (1 episode)
Leader (voice) (1 episode)
Karl Nivor (voice) (1 episode)
Wild Horse (voice) (1 episode)
Party Guest (uncredited)
Lord Morton
Sam Tucker (voice)
Charles Burden Sr.
Nick Everson
Dr. Harlan Jessup
Marshal Nalhober
Frank Brodie
The Director
Lt. Col. Brandon Grace (1 episode)
Booking Agent
Cemetery Caretaker
Gascone
Jerry Paul
Grasping (voice)
Josiah Sanchez (23 episodes)
Dr. Ramsey Krago
Alan Manieski
Clayface (voice) (2 episodes)
Jax-Ur (voice) (3 episodes)
Boltar
Cliff
Donnie Shank
The Messenger (1 episode)
Mickey Kaline (voice) (1 episode)
Mickey Kaline / Weiner Cooker (voice) (1 episode)
Kurtis Striker (voice) (13 episodes)
Sayer of the Law
Roland Thompson (voice) (1 episode)
Hulk (voice) (1 episode)
Lord Vox of Vestron
Doctor Frederick Texarian
Hulk/Dr. Bruce Banner (voice) (2 episodes)
Wizard/Hulk (voice) (1 episode)
Norman Arbuthnot
Sylvester
Mr. Scratch (voice)
Chas Bradley
Apollo (voice) (1 episode)
Arbutus (voice) (1 episode)
Detective Pantella
Konstantine Konali
Dr. Douglas Eben
John McClure
Lt. Col. Delacroix
Angel de la Guardia
Satan (voice) (1 episode)
Jack's Attorney
Sgt. Grating (voice) (65 episodes)
Driller (voice) (1 episode)
Clayface (voice) (3 episodes)
Captain Soames
Frank Cerrillo
Jacob Shuler
Vincent (56 episodes)
Director (2 episodes)
John Ruger (1 episode)
Salvatore
Attorney (1 episode)
Amoukar