| Episode cast overview: |
 | Hans-Peter Dürr | - | Himself - Quantenphysiker (as Prof. Dr. Dr.h.c. Hans-Peter Dürr) |
| Gerd Gigerenzer | - | Himself - Direktor Max-Planck-Institut für Bildungsforschung (as Prof. Dr. Gerd Gigerenzer) |
| Ernst Pöppel | - | Himself - Hirnforscher (as Prof. Dr. Ernst Pöppel) |
| Götz W. Werner | - | Himself - Gründer und Gesellschafter, dm-Drogeriemärkte (as Götz Werner) |
| Rupert Sheldrake | - | Himself - Biologe (as Prof. Dr. Rupert Sheldrake) |
| Regina Obermayr-Breitfuß | - | Herself - Psychologin (as Dr. Regina Obermayr-Breitfuß) |
| Alev Kowalzik | - | Herself - Musikerin und Musiktherapeutin |
| Siegfried Mauser | - | Himself - Präsident der Musikhochschule München (as Prof. Dr. Siegfried Mauser) |
| Anselm Grün | - | Himself - Benediktinerpater und Autor (as Dr. Anselm Grün) |
| Willigis Jäger | - | Himself - Benediktinerpater und Zen-Meister |
| Gerd Binnig | - | Himself - Physiknobelpreisträger (as Prof. Dr. Gerd Binnig) |
| Gerald Hüther | - | Himself - Hirnforscher (as Prof. Dr. Gerald Hüther) |
| Naupany Puma | - | Himself - Sonnenpriester der Inka |
| Carsten Fabian | - | Narrator (voice) |
| Hans-Jürgen Stockerl | - | Narrator (voice) (as Hans Jürgen Stockerl) |
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