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António Silva as Professor Hermes |
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Francisco Ribeiro as Gatuno /Robber |
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Henrique Santana as Chico Mota |
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Henrique Viana as Alvarinho |
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Eugénio Salvador as Faisca /Spark / Police |
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Carmen Mendes as Amelia / Hermes maid |
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Humberto Madeira as Neto / Police Officer |
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Rolando Alves as Procurador / Proxy |
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Irene Cruz as Necas |
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Maria Helena Matos as Tia / Aunt |
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Henrique Santos as Dr. Branco |
| Costume & Make-Up | Aguiar de Oliveira | Makeup Artist |
| Production | Manuel Queiroz | Production Manager |
| Writing | Francisco Ribeiro | Adaptation |
| Editing | Constantino Esteves | Editor |
| Production | Felipe de Solms | Producer |
| Crew | Abel Escoto | Cinematography |
| Sound | António Inocêncio | Sound Director |
| Writing | Henrique Santana | Original Story |
| Writing | Henrique Santana | Adaptation |
| Directing | Pedro Martins | Director |
