Three girls summon a demon. John Sinclair, a British investigator for supernatural phenomena, travels to Germany to meet Kerstin who is the only girl left. But the demon wants to sacrifice her in the old cathedral of Cologne.
| Actor | Role |
|---|---|
 Florian FitzJohn Sinclair | John Sinclair |
 Jophi RiesBill Conelly | Bill Conelly |
 Peter FitzPater Ignatius | Pater Ignatius |
| TTabea TieslerKerstin Müller | Kerstin Müller |
| CConstanze PröbsterMarion Baumann | Marion Baumann |
 Thierry van WervekeViktor Gonsoir | Viktor Gonsoir |
| UUtz KrauseWilli Mallmann | Willi Mallmann |
| NNicole Belstler-BoettcherGlenda Perkins | Glenda Perkins |
 Katja GiammonaSybille Thelen | Sybille Thelen |
| HHenrik HelgeDr. Hollister | Dr. Hollister |
| GGeorge InciBernie | Bernie |
| AAnja Beatrice KaulFrau Kruse | Frau Kruse |
| AAnia RudyPetra Klinger | Petra Klinger |
 Holger PetzoldSir James Powell | Sir James Powell |
 Stefan KrauseSEK-Mitglied | SEK-Mitglied |