Credits
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As Self
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As Catweazle
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As Various
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As Otto Leonhard
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As himself
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As Himself
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As Harry Hirsch
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As Otto Leonhard
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As himself
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As Spirit of the school founder Otto Leonhard
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As Notrufbeantworter
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As Wilhelm Tell
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As himself
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As Otto
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As Self
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As Bubi (voice)
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As Self
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As Self
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As Otto
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As himself
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As Self
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As Self
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As Bubi
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As Grille (voice)
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As Scientist
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As Bubi
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As Bruno Bommel / Papagei
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As Otto, Baby-Otto, Otti, Großvater
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As self
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As Karl/Otto/Amor
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As Otto / Benno Gross
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As Otto
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As Otto / Otto's Father (voice) / Otto's Mother (voice) / Mr. Astrid (voice)
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As himself