| Person | Type | Job | Role(s) |
|---|---|---|---|
 Koo Kyo-hwan | Crew | Production | Producer, Screenplay, Editor |
 Lee Sung-june | Crew | Sound | Sound Supervisor |
Kim Hee-jin | Crew | Art | Production Design |
 Yi Ok-seop | Crew | Directing | Director, Screenplay, Editor, Producer |
Lee Eun-ju | Crew | Costume & Make-Up | Makeup & Hair |
Lee Jae-woo | Crew | Camera | Director of Photography |
Kwon Hyo-jin | Crew | Directing | Assistant Director, Adaptation |
Jin Hoon | Crew | Art | Props |
Oh Sung-taek | Crew | Lighting | Lighting Director |
 Dong Bang-woo | Cast | Actor | Hospital Patient |
 Kwon Hae-hyo | Cast | Actor | Maggie's Father |
 Moon So-ri | Cast | Actress | Lee Kyung-jin |
Koo Kyo-hwan | Cast | Actor | Sung-won |
 Kim Kkob-bi | Cast | Actress | Bookworm |
 Chun Woo-hee | Cast | Actress | Maggie (voice) |
 Park Jong-hwan | Cast | Actor | Gak Granger |
 Lee Joo-young | Cast | Actress | Yoon-young |
 Lee Joo-young | Cast | Actress | Ji-yeon |
 Oh Hee-jun | Cast | Actor | Hospital Patient |
 Park Kyung-hye | Cast | Actress | Radiologist |
 Kim Min-seo | Cast | Actress | Young Lee Kyung-jin |
 Shim Dal-gi | Cast | Actress | Hospital Patient |
 Park Kang-seop | Cast | Actor | Kang-sup |
Yi Ok-seop | Cast | Actress | Callcenter (voice) |
 Park Gil-su | Cast | Actor | Laundrette Owner |
