Brave hero Parsifal, orphan and raised among wolves, must recover the Holy Grail from the hands of the evil wizard Klingsor, a Barbarian chieftain who killed his father, and thus save the wounded Amfortas, ruler of the Grail kingdom. Kundria, a beautiful and seductive houri, and even the Seven Deadly Sins will try to stop Parsifal and his noble quest.
Unfortunately the movie The Evil Forest is not yet available on HBO Max.
| Art | Daniel Mangrané | Art Direction |
| Writing | Daniel Mangrané | Screenplay |
| Writing | Richard Wagner | Original Story |
| Costume & Make-Up | Manuel Muntañola | Costume Design |
| Editing | Antonio Cánovas | Editor |
| Camera | Cecilio Paniagua | Director of Photography |
| Directing | Carlos Serrano de Osma | Co-Director |
| Sound | Richard Wagner | Original Music Composer |
| Sound | Ricard Lamote de Grignon | Conductor |
| Writing | Carlos Serrano de Osma | Screenplay |
| Sound | Ricard Lamote de Grignon | Music Arranger |
| Art | José Caballero | Art Designer |
| Production | Jesús María López-Patiño | Production Director |
| Production | Daniel Mangrané | Producer |
| Camera | Mario Pacheco | Camera Operator |
| Writing | José Antonio Pérez Torreblanca | Dialogue |
| Directing | Daniel Mangrané | Director |
