| Episode cast overview, first billed only: |
 | Anton Zeilinger | - | Himself - Experimentalphysiker (as Prof. Dr. Dr.h.c. Anton Zeilinger) |
| Sepp Holzer | - | Himself - Landwirt, Permakultur |
| Gerald Hüther | - | Himself - Hirnforscher (as Prof. Dr. Gerald Hüther) |
| Rupert Sheldrake | - | Himself - Biologe (as Prof. Dr. Rupert Sheldrake) |
| Boris Grundl | - | Himself - Inhaber der Grundl Leadership Akademie |
| Pär Ahlbom | - | Himself - Lehrer und Musiker, Järna, Schweden |
| Götz W. Werner | - | Himself - Gründer und Gesellschafter, dm-Drogeriemärkte (as Götz Werner) |
| Igor Sacharow-Ross | - | Himself - Künstler (as Prof. Igor Sacharow-Ross) |
| Naupany Puma | - | Himself - Sonnenpriester der Inka |
| Annette Kaiser | - | Herself - Autorin und Seminarleiterin |
| Jetsunma Tenzin Palmo | - | Herself - Buddhistische Nonne und Lehrerin |
| Paul Ferrini | - | Himself - Schriftsteller |
| Hans-Peter Dürr | - | Himself - Quantenphysiker (as Prof. Dr. Dr.h.c. Hans-Peter Dürr) |
| Gila Antara | - | Herself - Sängerin und Liedermacherin |
| Willigis Jäger | - | Himself - Benediktinerpater und Zen-Meister |
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