ATTORI:

• Ron Perlman (Hellboy)
• Selma Blair (Elizabeth 'Liz' Sherman)
• Doug Jones (Abraham 'Abe' Sapien)
• John Hurt (Prof. Trevor 'Broom' Bruttenholm)
• Rupert Evans (John Myers)
• Jeffrey Tambor (Tom Manning)
• Ladislav Beran (Karl Ruprecht Kroenen)
• Bridget Hodson (Ilsa Haupstein)
• Karel Roden (Grigori Rasputin)
• Brian Steele (Sammael)
• Corey Johnson (Agent Clay)
• Kevin Trainor (Young 'Broom')
• Brian Caspe (Agent Lime)
• James Babson (Agent Moss)
• Stephen Fisher (Agent Quarry)
• Garth Cooper (Agent Stone)
• Angus MacInnes (Sgt. Whitman)
• Jim Howick (Cpl. Matlin)
• Mark Taylor (Truck Driver)
• Daniel Aarsman (Kid)
• Bettina Ask (Kid)
• Álvaro Navarro (Kid)
• Emilio Navarro (Kid)
• Rory Copus (Kid on Rooftop)
• Tara Hugo (Doctor Jenkins)
• Richard Haas (Second Doctor)
• Andrea Miltner (Doctor Marsh)
• Jo Eastwood (Down's Patient)
• Charles Grisham (Museum Guard)
• Jan Holíček (Museum Guard)
• Jeremy Zimmermann (Lobby Guard)
• Monty L. Simons (Orderly)
• Pavel Cajzl (Sherpa Guide)
• Andrea Stuart (Girl with Kittens)
• William Hoyland (General Klaus Werner von Krupt)
• Millie Wilkie (Young Liz)
• Bob Sherman (Television Host)
• Ellen Savaria (Blonde Television Reporter)
• Petr Sekanina (German Scientist)
• Aleš Košnar (German Scientist)
• Justin Svoboda (Young Guy)
• Winter Ave Zoli (Girlfriend)
• Santiago Segura (Train Driver)
• Albert Moy (Train Driver)
• David Hyde Pierce (Abe Sapien (voice) (uncredited))
• Helene Maksoud (Liz Sherman's Mother (uncredited))
• Guillermo del Toro (Guy Dressed as Dragon (uncredited))
• Mike Mignola (Knight (uncredited))
• Miroslav Lhotka (Museum Guard (uncredited))
• Michael Lindsay (Security Guard (voice) (uncredited))
• Todd Kramer (Radioman (uncredited))