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Daws Butler as Loopy De Loop (voice) |
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Don Messick as Musketeers / Duke (voice) |
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Jean Vander Pyl as Princess (voice) |
| Directing | Joseph Barbera | Director |
| Directing | William Hanna | Director |
| Production | William Hanna | Producer |
| Writing | Michael Maltese | Writer |
| Production | Joseph Barbera | Producer |
