| Person | Type | Job | Role(s) |
|---|---|---|---|
 Park Chan-wook | Crew | Writing | Screenplay, Director |
 Chung Chung-hoon | Crew | Camera | Director of Photography |
 J.J. Harris | Crew | Production | Producer |
 Lee Jeon-hyoung | Crew | Visual Effects | VFX Supervisor |
 Kim Sang-bum | Crew | Editing | Editor |
Lee Seung-chul | Crew | Sound | Recording Supervision, Sound |
 Cho Young-wuk | Crew | Sound | Music, Producer |
Beth Kono | Crew | Production | Producer |
Chun-yeong Lee | Crew | Production | Producer |
Jo Hwa-seong | Crew | Art | Production Design, Art Direction |
In-ho Oh | Crew | Art | Set Decoration |
Kim Jae-beom | Crew | Editing | Editor |
 Miky Lee | Crew | Production | Executive Producer |
 Cho Sang-kyung | Crew | Costume & Make-Up | Costume Design |
 Chung Seo-kyung | Crew | Writing | Writer |
Choi Seung-hyun | Crew | Sound | Original Music Composer |
Lee Tae-hun | Crew | Production | Producer |
June Lee | Crew | Production | Producer |
 Lee Kyoung-mi | Crew | Directing | Script Supervisor |
 Kim Suk-won | Crew | Sound | Sound |
Myeong-chan Park | Crew | Production | Executive Producer |
Seok Min-u | Crew | Directing | Assistant Director |
Kim Chang-seop | Crew | Sound | Sound Effects Editor, Supervising Sound Editor |
Yoo Young-il | Crew | Visual Effects | VFX Supervisor |
Synderela Peng | Crew | Art | Art Direction |
 Song Jong-hee | Crew | Costume & Make-Up | Makeup & Hair |
Lee Eun-ju | Crew | Costume & Make-Up | Makeup Artist |
Lee Yong-gi | Crew | Editing | Colorist |
Choi Hyeon-seok | Crew | Art | Art Direction |
Park Hyun-won | Crew | Lighting | Lighting Director |
Han Jae-min | Crew | Editing | Colorist |
Kim Gwang-su | Crew | Visual Effects | Special Effects Supervisor |
Ji-hyeong Han | Crew | Art | Art Direction |
 Shin Ha-kyun | Cast | Actor | Assassin 2 |
 Yoo Ji-tae | Cast | Actor | Grown Won-mo |
 Song Kang-ho | Cast | Actor | Assassin 1 |
 Oh Kwang-rok | Cast | Actor | Se-hyun's Father |
 Choi Min-sik | Cast | Actor | Mr. Baek |
 Ryoo Seung-wan | Cast | Actor | Passerby |
 Tony Barry | Cast | Actor | Jenny's Adoptive Father |
 Lee Young-ae | Cast | Actress | Lee Geum-ja |
Anne Cordiner | Cast | Jenny's Adoptive Mother | |
 Kim Byeong-ok | Cast | Actor | Preacher |
 Lee Dae-yeon | Cast | Actor | Prison Head |
 Oh Dal-su | Cast | Actor | Mr. Chang |
 Kang Hye-jung | Cast | Actress | TV Announcer |
 Nam Il-woo | Cast | Actor | Detective Choi |
 Seo Ji-hee | Cast | Actress | Eun-ju |
 Yoon Jin-seo | Cast | Actress | Prisoner |
 Ra Mi-ran | Cast | Actress | Oh Su-hee |
 Park Myung-shin | Cast | Actress | Dong-hwa's Mother |
 Kim Shi-hoo | Cast | Actor | Geun-shik |
 Ko Chang-seok | Cast | Actor | Woo So-young's Husband |
 Seo Young-ju | Cast | Actress | Kim Yang-hee |
 Choi Jung-woo | Cast | Actor | Dong-hwa's Father |
Lee Byung-joon | Cast | Actor | Dong-hwa |
 Lee Yong-nyeo | Cast | Actress | Jae-kyung's Mother |
 Kim You-jung | Cast | Actress | Jae-kyung |
 Kim Bu-seon | Cast | Actress | Woo So-young |
 Koh Soo-hee | Cast | Actress | Ma-nyeo |
 Han Jae-duk | Cast | Actor | Prison Officer |
 Kwon Yea-young | Cast | Actress | Jenny |
 Choi Hee-jin | Cast | Actress | Prisoner 3 / Children's Services Staff |
 Seung-shin Lee | Cast | Actress | Park Yi-jeong |
Lim Su-kyung | Cast | Actress | Prison Officer |
 Kim Jin-goo | Cast | Actress | Ko Sun-sook |
 Jun Sung-ae | Cast | Actress | Prisoner 4 |
 Won Mi-won | Cast | Actress | Eun-ju's Grandmother |
 Kim Keum-soon | Cast | Actress | Prisoner 1 |
 Kim Ik-tae | Cast | Actor | Won-mo's Father |
Kim Se-won | Cast | Actress | Narrator |
Lee Yeong-mi | Cast | Won-mo's Mother | |
Kim Chun-gi | Cast | Jae-kyung's Father | |
| Person | Type | Job | Role(s) |
