| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Kim Ji-yong | Crew | Camera | Director of Photography | 1 |
 Kim Jong-kwan | Crew | Writing | Writer, Director | 1 |
 Yoon Jong-shin | Crew | Production | Executive Producer, Creator | 4 |
 Yim Pil-sung | Crew | Writing | Writer, Director | 1 |
 Jang Young-gyu | Crew | Sound | Music | 1 |
 Lee Kyoung-mi | Crew | Writing | Writer, Director | 1 |
 Mowg | Crew | Sound | Music | 1 |
 Jeon Go-woon | Crew | Writing | Writer, Director | 1 |
 Kim Soon-mo | Crew | Production | Producer | 1 |
 Kim Suk-won | Crew | Sound | Sound | 1 |
Kang Gook-hyun | Crew | Camera | Director of Photography | 1 |
Park Yong-gi | Crew | Sound | Sound | 1 |
Lee Young-lim | Crew | Editing | Editor | 1 |
Choi Yun-Man | Crew | Camera | Director of Photography | 1 |
Kang Ga-mi | Crew | Production | Producer | 1 |
 Yang Jin-mo | Crew | Editing | Editor | 1 |
Kim Byung-han | Crew | Art | Production Design | 1 |
Lee Seung-bok | Crew | Production | Producer | 1 |
Park Sun | Crew | Costume & Make-Up | Makeup & Hair | 1 |
Lee Sung-june | Crew | Sound | Sound | 1 |
Won Chang-jae | Crew | Editing | Editor | 1 |
Park Kwan-su | Crew | Production | Executive Producer | 4 |
Cho Young-chul | Crew | Production | Executive Producer | 4 |
 Ju Sung-lim | Crew | Camera | Director of Photography | 1 |
Im Sin-mi | Crew | Editing | Editor | 1 |
Lee Jun-sang | Crew | Production | Producer | 1 |
Kwun Hyun-jeong | Crew | Sound | Music | 1 |
 Bae Doona | Cast | Actress | Doo-na | 1 |
 Kim Tae-hun | Cast | Actor | Father | 1 |
 IU | Cast | Actress | IU / Eun / Hanna / Ji-eu | 6 |
 Park Hae-soo | Cast | Actor | Jung-woo | 1 |
 Jung Jun-won | Cast | Actor | K | 1 |
 Lee Sung-wook | Cast | Actor | Jung-geun | 1 |
 Shim Dal-gi | Cast | Actress | Hye-bok | 1 |
 Lim Sun-woo | Cast | Actress | 1 | |
 Pierce Conran | Cast | Actor | IU's boyfriend | 1 |
| Person | Type | Job | Role(s) | Episodes |
