Directed by
| Park Shin-woo | ... | (as Shin-woo Park) |
Writing Credits (in alphabetical order)
| Keigo Higashino | ... | (original novel) |
| Yeon-seon Park | ... | (screenplay) |
| Park Shin-woo | ... | (screenplay) (as Shin-woo Park) |
Cast (in credits order)
| Han Suk-kyu | ... | Han Dong-soo | |
| Son Ye-jin | ... | Yu Mi-ho | |
| Go Soo | ... | Kim Yo-han | |
| Rest of cast listed alphabetically: | |||
 |
Goo Bon-jin | ... | Min Kyung-ho (as Bon-jin Ku) |
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Han Cheol-woo | ... | Detective Ko (as Cheol-woo Han) |
| Ju Da-yeong | ... | Ji-ah | |
|
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Hong Ji-hee | ... | Cha Yeong Eun |
|
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Im Ji-kyu | ... | Yak-tong |
| Seo Jin-won | ... | Detective Jang | |
| Lee Jong-won | ... | Seung-jo | |
|
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Han Kook-jin | ... | Detective Oh (as Kook-jin Han) |
| Jo Kyeong-sook | ... | Yang Mi-sook | |
| Lee Min-Jung | ... | Shi-yeong | |
|
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So-yeong Son | ||
| Park Sung-woong | ... | Cha Seung-jo | |
| Han Ye-won | |||
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Kim Young-sun | ... | Female teacher |
Produced by
| Joon-hwan Choi | ... | executive producer |
| Ahn Eun-mi | ... | producer (as Eun-mi Ahn) |
| Katharine Kim | ... | associate producer |
| Byeong-hyeok Lee | ... | associate producer |
| Ji-yeong Lim | ... | producer |
| Kang Woo-suk | ... | executive producer |
Music by
| Shirô Sagisu | ... | (as Shiro Sagisu) |
| Cho Young-wuk | ... | (as Jo Yeong-wook) |
Cinematography by
| Chang-jae Lee | ||
Editing by
| Sang-min Lee | ||
Production Design by
| Hye-Jin Song | ||
Costume Design by
| Ji-Young Choe | ||
Makeup Department
| Ji-Yeong Choe | ... | makeup department head |
Camera and Electrical Department
| Bong-sun Byun | ... | camera team |
| In-sik Choo | ... | lighting technician |
Costume and Wardrobe Department
| Ji-Yeong Choe | ... | wardrobe supervisor |
Editorial Department
| Yong-gi Lee | ... | colorist |
