| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 H.P. Lovecraft | Crew | Writing | Story | 4 |
 Hideki Takayama | Crew | Directing | Director | 4 |
Yoshitaka Makino | Crew | Directing | Director | 4 |
Tatsuya Tanaka | Crew | Production | Producer | 4 |
Jinzaburo Kaiho | Crew | Art | Art Direction | 4 |
 Ryo Yasumura | Crew | Writing | Screenplay | 4 |
Yutaka Sunadori | Crew | Visual Effects | Character Designer | 4 |
Koichi Fuyukawa | Crew | Visual Effects | Animation Director | 4 |
Masakuni Kaneko | Crew | Visual Effects | Animation Director | 4 |
Nobuhiro Miyachi | Crew | Production | Executive Producer | 4 |
Naoto Igai | Crew | Production | Producer | 4 |
Ryo Nasamura | Crew | Production | Producer | 4 |
 Hidenari Ugaki | Cast | Actor | Shigeomi Hiruta (voice) | 2 |
 Hidetoshi Nakamura | Cast | Actor | Satoshi Suzusaki (voice) | 4 |
 Hideyuki Umezu | Cast | Actor | Toshiaki Nezu (voice) | 3 |
Izumi Kikuchi | Cast | Actress | Naomi Seo (voice) | 1 |
 Masako Katsuki | Cast | Actress | Cindy (voice) | 1 |
 Naoya Uchida | Cast | Actor | Perkins (voice) | 2 |
 Takuma Suzuki | Cast | Actor | Researcher (voice) | 1 |
 Tessyo Genda | Cast | Actor | Bill (voice) | 2 |
 Yoko Asada | Cast | Actress | Asuka Kashiwagi (voice) | 4 |
 Hiroshi Ito | Cast | Actor | Yasunori Shibusawa (voice) | 2 |
 Kenta Miyake | Cast | Actor | Sherrif (voice) | 1 |
Tomato Akai | Cast | Actress | Amy McDowell (voice) | 2 |
 Yumi Takada | Cast | Actress | Haruka Sakimizu (voice) | 4 |
