
Hellboy: In Service of the Demon
- An: 2008
- Pays: Hungary, United States of America
- Genre: Documentaire
- Studio: Universal Studios Home Entertainment
- Mot-clé: movie business, making of
- Réalisateur: Javier Soto
- Jeter: Guillermo del Toro, Mike Mignola, Ron Perlman, Lloyd Levin, Lawrence Gordon, Doug Jones