Cast & crew
Cheer Up, Mr. Lee (2019)
Directed by Lee Kae-byeok Written by Lee Kae-byeok, Jang Yoon-mi, Kim Hee-jin
Cast
| Jeon Hye-bin | Eun-sil |
| Shin Hyun-been | Yeong-ki |
| Jung Won-joong | Marshal |
| Cha Seung-won | Cheol-gu |
| Kim Hye-ok | Ok-ja |
| An Seong-won | Ward Patient |
| Kim Beop-rae | Yang |
| Lee Seung-yuop | Seung-ryong |
| Jung Jun-won | Chung |
| Oh Tae-kyung | Je-seop |
| Park Hae-joon | Yeong-ki |
| Ryu Han-bi | Min-gyu |
| An Min-young | Hyun-woo |
| Cho Han-chul | Youg-deok |
| Yoon Byung-hee | Chang |
| Joung Young-sub | Cheol-gu |
| An Kil-kang | Mr.kim |
| Seo Dong-oh | Male Guest |
| Um Chae-young | Saet-byeol |
| So A-rin | Saet-byeol |
| Ji Su-yeon | An Elder |
| Jung Hee-tae | Policeman |
| Sung Ji-ru | Kwon Taehee |
| Lee Seung-won | Youg-deok |
| Hwang Sung-joon | Underling |
Crew
| Jay Lee | Executive Producer |
| Han Jang-hyuk | Original Story |
| Park Ji-sung | Executive Producer |
| Lee Na-gyeom | Production Design |
| Park Ju-ae | Assistant Editor |
| Kim Jeong-bok | Producer |
| Park Yong-gyu | Props |
| Kim Yong-hwa | Co-Executive Producer |
| Park Ji-young | Executive Producer |
| Lee Kae-byeok | Writer |
| Jang Yoon-mi | Writer |
| Park Jeong-ye | Adaptation |
| Syd Lim | Executive Producer |
| Pee Dae-sung | Special Effects Makeup Artist |
| Jung Hae-ji | Lighting Director |
| Park Yea-ri | Makeup & Hair |
| Kim Hyung-jik | Set Decoration |
| Jung Tae-su | Line Producer |
| Yang Jin-mo | Editor |
| An Ji-hyeon | Costume Design |
| Bang Woo-ri | Adaptation |
| Noh Kyung-hee | Adaptation |
| Lee Kae-byeok | Director |
| Ryu Yeon | Digital Intermediate Producer |
| Kim Jeong-won | Director of Photography |
| Park Hyun-soo | Production Sound Mixer |
| Kim Hee-jin | Writer |
| Bang Jun-seok | Original Music Composer |