The Accidental Detective 2: In Action (2018) — Cast
Cast
| Park Seong-yeon | Nurse |
| Kwon Sang-woo | He-Man |
| Choi Seong-won | Cho-yeop |
| Park Seong-il | Pil |
| Shin Dam-su | Restaurant |
| Seo Young-hee | Ok-ja |
| Lee Kwang-soo | Chi Chi |
| Nam Myung-ryeol | Orphanage Headmistress |
| Choi Deok-moon | Wan Jung |
| Son Dam-bi | SA-Mann |
| Kim Sung-kyu | Lee |
| Oh Hee-jun | Min-gyu |
| Lee Il-hwa | Lee |
| Kim Dong-wook | Kwon Taehee |
| Kim Joong-ki | Chief |
| Kim Sung-kang | Doctor |
| Jeong Yeon-joo | Yeon-Wha |
| Cha Sung-je | Hwang |
| Kim Won-jin | (uncredited) |
| Kim Kwang-kyu | Gwang-woong |
| Hong Eun-taek | Hyun-woo |
| Pyo Chang-won | Self |
| Kim Yong-jun | Sector Director |
| Lee Chung-hee | Policewoman |
| Sung Dong-il | Noh |
Crew
| Dalpalan | Original Music Composer |
| Park Young-sik | Martial Arts Choreographer |
| Jeong Tae-sung | Executive Producer |
| Bang Gil-sung | Production Design |
| Ko Dong-hun | Production Sound Mixer |
| Ki Se-hun | Director of Photography |
| Kim Il-kwang | Digital Intermediate |
| Park Gyeong-seo | Line Producer |
| Kim Hyung-jik | Set Decoration |
| Kim Chang-ho | Lighting Director |
| Ju Won-il | Assistant Director |
| Song Yun-jae | Sound Supervisor |
| Lim Myeong-gyun | Executive Producer |
| Seo Eun-kyung | Costume Design |
| Kwon Su-kyung | Makeup & Hair |
| E.oni | Director |
| Kim Dong-gil | Key Grip |
| Lim Wang-sub | Stunts |
| Hong Soo-hee | Costume Design |
| Jeong Seong-ho | Stunts |
| Lee Sang-ha | Stunts |
| Mo Il-young | Producer |
| Kim Won-jin | Stunts |
| Kim Soon-geun | Props |
| Jung Han-Jin | Writer |
| E.oni | Adaptation |