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Gustav Knuth as Robert Swingle / Dr. Richard Swingle / Paul |
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Eva Pflug as Christine Swingle / Eileen O'Shea / Mary |
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Dieter Thomas Heck as Frank Swingle / Marten Swenska / Tony |
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Doris Gallart as Mrs. Mabel Glanville / Miss Evelyn Bowder |
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Wolfgang Völz as Mr. Jeremias Gotthelf "Gigi" Schultz |
| Directing | Herbert Ballmann | Director |
