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Richard Harrison as Richard Werner aka Karl Meyer |
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Adolfo Celi as Karl Maria van Beethoven |
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Judi West as Deborah Sands |
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Gustavo D'Arpe as Professor Krohne |
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Fabienne Fabre as Alice - the nurse |
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Nino Fuscagni as Leonard 'Zio Mac' MacFitzroy |
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Enzo Fiermonte as General Van Pelt |
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Gislaine Barbot as The Young Nurse |
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Anita Cortinovis as The Red-haired Nurse |
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Salvatore Porcaro as Morgue Employee (uncredited) |
| Directing | Sergio Spina | Director |
| Writing | Sergio Spina | Writer |
| Writing | Furio Colombo | Writer |
| Writing | Ottavio Jemma | Writer |
| Production | Felice D'Alisera | Producer |
| Sound | Sandro Brugnolini | Original Music Composer |
| Camera | Claudio Ragona | Director of Photography |
| Art | Amedeo Fago | Art Direction |
