Hellboy
Elizabeth 'Liz' Sherman
Abraham 'Abe' Sapien
Prof. Trevor 'Broom' Bruttenholm
John Myers
Tom Manning
Karl Ruprecht Kroenen
Ilsa Haupstein
Grigori Rasputin
Sammael
Agent Clay
Young 'Broom'
Agent Lime
Agent Moss
Agent Quarry
Agent Stone
Sgt. Whitman
Cpl. Matlin
Truck Driver
Kid
Kid on Rooftop
Doctor Jenkins
Second Doctor
Doctor Marsh
Down's Patient
Museum Guard
Lobby Guard
Orderly
Sherpa Guide
Girl with Kittens
General Klaus Werner von Krupt
Young Liz
Television Host
Blonde Television Reporter
German Scientist
Young Guy
Girlfriend
Train Driver
Abe Sapien (voice) (uncredited)
Liz Sherman's Mother (uncredited)
Guy Dressed as Dragon (uncredited)
Knight (uncredited)
Museum Guard (uncredited)
Security Guard (voice) (uncredited)
Radioman (uncredited)