Hellboy: In Service of the Demon
- Metai: 2008
- Šalis: Hungary, United States of America
- Žanras: Dokumentiniai
- Studija: Universal Studios Home Entertainment
- Raktažodis: movie business, making of
- Direktorius: Javier Soto
- Vaidina: Guillermo del Toro, Mike Mignola, Ron Perlman, Lloyd Levin, Lawrence Gordon, Doug Jones