| Person | Type | Job | Role(s) |
|---|---|---|---|
 Jung Do-ahn | Crew | Visual Effects | Special Effects Supervisor |
 Lee Eugene | Crew | Production | Producer |
 Hirokazu Kore-eda | Crew | Directing | Director, Editor, Writer, Screenplay |
 Hong Kyung-pyo | Crew | Camera | Director of Photography |
 Miky Lee | Crew | Production | Executive Producer |
 Choi Tae-young | Crew | Sound | Sound Supervisor |
 Kim Seo-young | Crew | Costume & Make-Up | Makeup & Hair |
Song Dae-chan | Crew | Production | Co-Producer |
 Lee Mok-won | Crew | Art | Production Design |
Park Cheong-woo | Crew | Lighting | Gaffer |
 Choi Se-yeon | Crew | Costume & Make-Up | Costume Design |
Eun Hee-soo | Crew | Sound | Production Sound Mixer |
Kwak Tae-yong | Crew | Costume & Make-Up | Special Effects Makeup Artist |
 Jung Jae-il | Crew | Sound | Original Music Composer |
Miyuki Fukuma | Crew | Production | Co-Producer |
Hwang Hyo-kyun | Crew | Costume & Make-Up | Special Effects Makeup Artist |
You Cheong | Crew | Art | Property Master |
Ryu Yeon | Crew | Editing | Digital Intermediate Producer |
Park Jun-yong | Crew | Art | Property Master |
 Park Jin-young | Crew | Editing | Colorist |
Kang Ho-sung | Crew | Production | Co-Executive Producer |
Baek Sang-hoon | Crew | Visual Effects | Visual Effects Supervisor |
Shinsuke Fujimoto | Crew | Directing | Assistant Director |
Yoon Hye-joon | Crew | Production | Co-Producer |
Lee Gi-seok | Crew | Art | Set Decoration |
Lee Jeong-hyeon | Crew | Art | Art Direction |
Lee Beom-seok | Crew | Directing | Assistant Director |
Kim Man-geun | Crew | Editing | Supervising Editor |
Shin Kyung-chul | Crew | Production | Line Producer |
Choi Wun-jin | Crew | Camera | Key Grip |
Jo Gyeong-gyu | Crew | Visual Effects | Special Effects Supervisor |
Kim Dong-kyu | Crew | Production | Line Producer |
 Bae Doona | Cast | Actress | Su-jin |
 Song Kang-ho | Cast | Actor | Sang-hyun |
 Gang Dong-won | Cast | Actor | Dong-soo |
 Baek Hyun-jin | Cast | Actor | Detective Choi |
 Choi Hyo-sang | Cast | Actor | Doctor |
 Song Sae-byuk | Cast | Actor | Orphanage Director |
 IU | Cast | Actress | So-young |
 Park Hae-jun | Cast | Actor | Mr. Yoon |
 Kim Sun-young | Cast | Actress | Orphanage Director's wife |
 Lee Dong-hwi | Cast | Actor | Mr. Song |
 Seong Yu-bin | Cast | Actor | Young-min |
 Lee Joo-young | Cast | Actress | Detective Lee |
 Oh Hee-jun | Cast | Actor | Choi's Subordinate |
 Kim Sae-byuk | Cast | Actress | Song's Wife |
 Kim Do-yeon | Cast | Actress | Seon-ah |
 Choi Hee-jin | Cast | Actress | Mi-sook |
Kim Soo-hyeon | Cast | Actress | Babybox Baby 3 |
 Lee Moo-saeng | Cast | Actor | Seon-ho |
 Ryu Kyung-soo | Cast | Actor | Tae-ho |
 Kang Gil-woo | Cast | Actor | Mr. Im |
 Kim Yae-eun | Cast | Actress | Im's Wife |
 Lee Dong-hyeon | Cast | Actor | Teenager 2 |
 Park Kang-seop | Cast | Actor | Si-woo |
 Yun Seul | Cast | Actress | Babybox Staff 1 |
 Jeong Jong-yeol | Cast | Actor | Babybox Pastor |
Jung Hyuk | Cast | Actor | Teenager 1 |
 Kim Keum-soon | Cast | Actress | Ms. Park |
 Jong Ho | Cast | Actor | Young-gil |
Lee Ga-eun | Cast | Subway Announcement (voice) | |
Kang Min-ji | Cast | Nurse 1 | |
Park Jong-hyeon | Cast | Actor | Detective 1 |
 Lee Ga-kyung | Cast | Actress | Nurse 2 |
Kim Soo-ji | Cast | Teenager 6 | |
 Lim Seung-soo | Cast | Actor | Hae-jin |
 Jung Ji-woo | Cast | Actress | Yoon's Wife |
 Ryu Ji-an | Cast | Actress | Yun-ah |
 Park Ji-yong | Cast | Actor | Woo-sung |
 Lee Doo-seok | Cast | Actor | Gyu-seok |
 Lee Do-goon | Cast | Actor | Police Officer |
Kim Joo-eun | Cast | Little Girl at So-young's House 3 | |
 Woo Sung-min | Cast | Actor | Orphanage Kid 1 |
| Person | Type | Job | Role(s) |
