| Person | Type | Job | Role(s) |
|---|---|---|---|
 Oh Ki-hwan | Crew | Directing | Director, Screenplay, Producer |
 Kim Sun-min | Crew | Editing | Editor |
Lee Hyo-Chul | Crew | Writing | Writer |
Kang Kyung-ok | Crew | Writing | Comic Book |
Lee Shin-ae | Crew | Writing | Writer |
Kim Jun-seok | Crew | Sound | Musician |
Lee Seung-yeop | Crew | Sound | Sound |
Jung Se-rin | Crew | Sound | Musician |
Jang Jin | Crew | Costume & Make-Up | Makeup & Hair |
 Yang Gil-yeong | Crew | Crew | Fight Choreographer |
Shin Dong-sun | Crew | Writing | Adaptation |
Jung Jang-hwan | Crew | Directing | Assistant Director, Adaptation |
 Ahn Nae-sang | Cast | Actor | Ga-in's Teacher |
 Jeon Kuk-hwan | Cast | Actor | Ji-sun's Father |
 Jeong In-gi | Cast | Actor | Detective Jo |
 Yoon Jin-seo | Cast | Actress | Kim Ga-in |
 Lee Kan-hee | Cast | Actress | Ga-in's Mother |
 Lee Ki-woo | Cast | Actor | Hyung-joong |
 Park Ki-woong | Cast | Actor | Hong Seok-min |
 Yeon Je-wook | Cast | Actor | Choi Sang-gyeong |
 Kim So-eun | Cast | Actress | Kim Ga-geon |
 Jeong Yu-mi | Cast | Actress | Lee Myeong-hee |
Ham Yu-seon | Cast | Sang-kyung | |
 Oh Yeon-seo | Cast | Actress | Chung Eun-gyeong |
 Kim Jin-geun | Cast | Actor | Hwang Dae-yong |
 Kim Do-yeon | Cast | Actress | Kim Mi-joo |
 Park Sin-woo | Cast | Actor | Ending Student |
 Jeong Wook | Cast | Actor | Hyung-joong's Father |
 Lee Sae-byeol | Cast | Actress | Visitor |
 Seo Yu-jeong | Cast | Actress | Ga In's youngest aunt |
 Jo Yeon-hee | Cast | Actress | Kim Ji-sun |
 Kim Min-kyung | Cast | Actress | Ji Seon-mo |
 Back Joo-hee | Cast | Actress | Hyung-joong's Mother |
 Park Seoung-tae | Cast | Actress | Dae-yong's Mother |
 Ahn Shin-woo | Cast | Actor | Hong Jae-sun |
 Kim Soo-woong | Cast | Actor | Adult Relative |
| Person | Type | Job | Role(s) |
