Casting | Rôle |
|---|
| 井上秀之 | Kaoru Kirihara |
| 清水 香奈 | The girl |
| 佐々木常式 | Tatsuya Isino |
| 斉木りえ | Chiaki Ishino |
| 相馬有紀実 | Nachan |
| 柏原優美 | Kirihara's mother (recollection period) |
| 松尾隆成 | Kirihara (recollection period) |
| 上田定行 | Chief editor |
| 昭和研吾 | Mikawa Nippo Reporter |
| 脇田敏博 | Senior reporter |
| 村上隆成 | Doctor |
| 竹山史恭 | Satomi |
| 近藤博 | Picture book class instructor |
| 小澤寛 | Kirihara's uncle |
| 倉橋健 | City hall official |
| 池野亜夢 | Friend of Picture Book Classes |
| 杉山快俊 | Friend of Picture Book Classes |
| 内藤誠 | Friend of Picture Book Classes |
| 杉山健太郎 | Friend of Picture Book Classes |
| 福山廉士 | Senior detective |
| 森田伸也 | Novice detective |
| 坂本由佳 | RN |
| 成瀬有記枝 | Expert nurse |
| 柴田槇子 | Kirihara's mother |
| 安藤嘉男 | Editor |
| 一麻 | Editor |
| 石田貴洋 | |
