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Paulus Manker as Otto Weininger |
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Hilde Sochor as Adelaide, his mother / Adele, concierge |
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Andrea Eckert as Clara |
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Josefin Platt as Otto's Double |
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Hermann Schmid as Tietz |
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Sieghardt Rupp as Leopold, his father / Sigmund Freud |
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Peter Faerber as Berger |
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Otmar Klein as Clarinettist |
| Writing | Paulus Manker | Writer |
| Directing | Paulus Manker | Director |
| Writing | Joshua Sobol | Theatre Play |
| Sound | Walter Amann | Sound |
| Production | Michael Katz | Production Manager |
| Costume & Make-Up | Erika Navas | Costume Design |
| Camera | Walter Kindler | Director of Photography |
| Sound | Hans Georg Koch | Music |
| Art | Birgit Voss | Art Direction |
| Sound | Herbert Giesser | Sound Mixer |
| Editing | Marie Homolkova | Editor |
| Production | Veit Heiduschka | Producer |
| Editing | Ingrid Koller | Editor |
