When doctors fail to cure the young and beautiful Claire Raven, who for inexplicable reasons seems to have fallen under a spell, Professor Mors, an expert in the field of hypnosis, is called in to help.
| Actor | Role |
|---|---|
 Lee ParryClaire Raven | Claire Raven |
| GGertrud de LalskyKommerzienrätin Raven | Kommerzienrätin Raven |
| KKarl HaldenWolf Woerner, Fabrikbesitzer | Wolf Woerner, Fabrikbesitzer |
 Bela LugosiProfessor Mors | Professor Mors |
 Marga KöhlerFrau Steffens, seine Mutter | Frau Steffens, seine Mutter |
| VVioletta NapierskaEva Hain, seine Tochter | Eva Hain, seine Tochter |
| RRudolf Klein-RhodenJack Weller | Jack Weller |
 Emil RameauPeter Hain | Peter Hain |
| JJenny HöhneFrau Moran | Frau Moran |
| GGustav BirkholzSenator Holbein | Senator Holbein |