Cast & crew
Hyouka: Forbidden Secrets (2017)
Directed by Mari Asato Written by Mari Asato
Cast
| Amane Okayama | Satoshi Kojima |
| Shihori Kanjiya | |
| Nina Yamazaki | |
| Kanata Hongo | Sekiya |
| Alice Hirose | Eru |
| Nazuki Amano | |
| Fujiko Kojima | Mayaka Ibara |
| Kento Yamazaki | Hลtarล Oreki |
| Hidekazu Mashima | |
| Yuki Saito | Yoko Sekine |
Crew
| Tomomi Nishio | Production Design |
| Nobuyuki Kajikawa | Line Producer |
| Masahiro Kimura | Gaffer |
| Mari Asato | Director |
| Michiki Nobutaka | VFX Supervisor |
| Yuta Tsukinaga | Director of Photography |
| Toru Wada | Music Producer |
| Yusuke Hayashi | Original Music Composer |
| Shinichirou Inoue | Executive Producer |
| Mari Asato | Screenplay |
| Ryosuke Yamagata | Producer |
| Masaki Murakami | Editor |
| Masaru Ohgawara | Sound Effects |
| Tsuyoshi Kobayashi | Producer |
| Kazunori Fujimaru | Sound Recordist |
| Honobu Yonezawa | Novel |