Cast (in credits order)
| Michael Johnston | ... | Akuma Kun | |
| Rest of cast listed alphabetically: | |||
| Giselle Fernandez | ... | Carmelita / Additional (voice) | |
| Lexi Fontaine | ... | Hyakume (voice) | |
| Ren Hanami | ... | Adelina | |
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Eriko Kadokura | ... | Demura's Secretary (voice) |
| Yasunori Matsumoto | ... | Yusuke Demura (voice) | |
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Keiichi Nanba | ... | Komori Neko (voice) |
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Yûsuke Numata | ... | Demura's Secretary (voice) |
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Fukushi Ochiai | ... | Fukabayashi (voice) |
| Bill Rogers | ... | Demura (voice) | |
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Yûga Satô | ... | Fukabayashi's Staff (voice) |
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Jun'ichi Sugawara | ... | Iino (voice) (as Junichi Sugawara) |
| Frank Todaro | ... | Komorineko (voice) | |
| Cristina Valenzuela | ... | Gremory (voice) | |
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Aidan Vallejo | ... | Ichiro Umoregi / Akuma II (voice) |
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Momoka Watabe | ... | Hotel Employee (voice) |
Sound Department
| Austin Longoria | ... | Recording Engineer |
Additional Crew
| Matthias Klages | ... | voice dubbing |
| Ryan P. McCabe | ... | scheduler (english version) |
| Abbey Veffer | ... | production assistant: Iyuno USA |