| Series cast summary: |
 | Jean-Claude Bouillon | - | Mike Friedberg / - 6 episodes, 1972-1973 |
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 | Marina Malfatti | - | Sonja 3 episodes, 1972-1973 |
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| Alfons Höckmann | - | Richard Schubert 2 episodes, 1972-1973 |
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| Konrad Georg | - | Direktor Semmerling 2 episodes, 1972-1973 |
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| Walter Maestosi | - | Maurice Michel 2 episodes, 1972 |
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 | Charlotte Kerr | - | Maud 2 episodes, 1973 |
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 | Peter Capell | - | Notar 2 episodes, 1972-1973 |
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| Friedrich Siemers | - | William E. Scott 2 episodes, 1973 |
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| Rudolf W. Marnitz | - | Singer 2 episodes, 1972 |
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| Helga Wiedenbrüg | - | Frau Brode 2 episodes, 1972-1973 |
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