| Person | Type | Job | Role(s) |
|---|---|---|---|
 Moon In-dae | Crew | Editing | Editor |
Lee Sung-jin | Crew | Sound | Sound Supervisor |
 Kim Jin-young | Crew | Directing | Director, Writer |
Lee Sung-min | Crew | Writing | Writer |
Lee Chul-ho | Crew | Art | Production Design |
Kim Sang-yun | Crew | Production | Co-Executive Producer |
 Yoon Gun | Crew | Sound | Music |
Lee Geun-woo | Crew | Camera | Grip |
 Jeong Gyu-su | Cast | Actor | Kim Byeol's Father (uncredited) |
 Oh Kwang-rok | Cast | Actor | Gwang-rok (uncredited) |
 Park Hyun-suk | Cast | Actress | Joon-soo's Mother (uncredited) |
 Jang Keun-suk | Cast | Actor | Han Joon-soo |
 Lee Moon-sik | Cast | Actor | Subway Attendant (cameo) |
 Go Gyu-pil | Cast | Actor | Ki-seok |
 Song Ha-yoon | Cast | Actress | Kim Byul |
 Park Myung-soo | Cast | Actor | Woo-ram (voice) (uncredited) |
 Jeong Min-seong | Cast | Actor | Drunk Man (uncredited) |
 Lee Cheol-min | Cast | Actor | Police Officer (uncredited) |
 Kil Hae-yeon | Cast | Actress | Ki-suk's Mother (uncredited) |
 Jeon Se-hong | Cast | Actress | Joon-soo's Ex (uncredited) |
 Kim Gu-ra | Cast | Actor | Room Salon Customer (uncredited) |
Jang Jung-hee | Cast | Kim Byeol's Mother (uncredited) | |
 Yoo Ji-yeon | Cast | Actress | Room Salon Girl (uncredited) |
 Song Min-hyung | Cast | Actor | Teacher (uncredited) |
 Moon Mason | Cast | Actor | Han Woo-ram |
 Kim Do-yeon | Cast | Actress | Ordinary Girl (uncredited) |
| Person | Type | Job | Role(s) |
