Ron Perlman
Hellboy
Selma Blair
Liz Sherman
Doug Jones
Abe Sapien
John Alexander
Johann Krauss / Bethmoora Goblin
Seth MacFarlane
Johann Krauss (voice)
Luke Goss
Prince Nuada
Anna Walton
Princess Nuala
Jeffrey Tambor
Tom Manning
John Hurt
Trevor Bruttenholm
James Dodd
Johann Krauss
Brian Steele
Wink / Cronie / Spice Shop Troll / Cathedral Head / Fragglewump
Andrew Hefler
Agent Flint
Iván Kamarás
Agent Steel
Mike Kelly
Agent Marble
Jeremy Zimmermann
Auctioneer
Santiago Segura
Distinguished Buyer
Roy Dotrice
King Balor
Aidan Cook
Two-Headed Shop Owner
Jeanne Mockford
Bag Lady
Montse Ribé
Young Hellboy
Ferenc Elek
Fat Slob
Alex McSweeney
Policeman
Justin Pierre
Policeman
Matthew O'Toole
Limb Vendor
Jamie Wilson
Cat Vendor
Clive Llewellyn
Tadpole Vendor
Sándor Svigelj
Bagpipe Player
Brian Herring
Silkard / Fish Vendor
Pálma Pásztor
Mummy Vendor
Jimmy Kimmel
Jimmy Kimmel
Tim Flavin
Newscaster
Belinda Henley
Newscaster
Blake Perlman
Newscaster
Matt Rippy
Newscaster
Judit Viktor
Lady with Dog
Szonja Oroszlán
Woman with Baby
Michael Mehlmann
Auction Bidder Man
Todd Williams
Auction Bidder Man
Beatrice Zentai
Auction Bidder Woman
Peter Horkay
Steward
Richard Rifkin
TV Pundit
Guillermo del Toro
Creature Vocals (voice) (uncredited)
Tim Larsen
Street Thug (uncredited)
Gavin McKenzie
Auction Room Steward (uncredited)
Julia Papp
Reporter (uncredited)