Hellboy

Ron Perlman

Professor Bruttenholm

John Hurt

Elizabeth 'Liz' Sherman

Selma Blair

Abraham 'Abe' Sapien

Doug Jones

John Myers

Rupert Evans

Grigori Rasputin

Karel Roden

Dr. Tom Manning

Jeffrey Tambor

Karl Ruprecht Kroenen

Ladislav Beran

Ilsa Haupstein

Bridget Hodson

Sammael

Brian Steele

Ilsa Haupstein

Biddy Hodson

Young "Broom"

Kevin Trainor

Agent Clay

Corey Johnson

Agent Lime

Brian Caspe

Agent Clay

John William Johnson

Agent Moss

James Babson

Agent Quarry

Stephen Fisher

Agent Stone

Garth Cooper

Sgt. Whitman

Angus MacInnes

Corporal Matlin

Jim Howick

Truck Driver

Mark Taylor

Kid

Daniel Aarsman

Kid

Bettina Ask

Kid

Alvaro Navarro

Kid

Emilio Navarro

Kid on Rooftop

Rory Copus

Doctor Jenkins

Tara Hugo

Second Doctor

Richard Haas

Doctor Marsh

Andrea Miltner

Down's Patient

Jo Eastwood

Museum Guard

Charles Grisham

Museum Guard

Jan Holicek

Lobby Guard

Jeremy Zimmermann

Lobby Guard

Jeremy Zimmerman

Orderly

Monty Simons

orderly

Monty L. Simons

Sherpa Guide

Pavel Cajzl

Girl With Kittens

Andrea Stuart

General Klaus Werner von Krupt

William Hoyland

Young Liz Sherman

Millie Wilke

Young Liz

Millie Wilkie

Television Host

Bob Sherman

Blonde Television Reporter

Ellen Savaria

German Scientist

Petr Sekanina

German Scientist

Aleš Košnar

German Scientist

Justin Svoboda

German Scientist

Young Guy

Girlfriend

Winter Ave Zoli

Girlfriend Winter

Ave Zoli

Train Driver

Santiago Segura

Train Driver

Albert Moy

Train Driver

Albert May

Abe Sapien (voice) (uncredited)

David Hyde Pierce

Liz Sherman's Mother (uncredited)

Helene Maksoud

Guy Dressed as Dragon (uncredited)

Guillermo del Toro

Knight (uncredited)

Mike Mignola

Museum Guard (uncredited)

Miroslav Lhotka

Agent Quarry

Stephen H. Fisher

Radioman (uncredited)

Todd Kramer