| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Kim Tae-seong | Crew | Sound | Music | 10 |
 Lee Byeong-heon | Crew | Directing | Director, Writer, Creator | 10 |
 Nam Na-young | Crew | Editing | Editor | 10 |
Lee Jong-seok | Crew | Production | Producer | 10 |
Lee Jong-geon | Crew | Art | Production Design | 10 |
Noh Seung-bo | Crew | Camera | Director of Photography | 10 |
Lee Sung-june | Crew | Sound | Sound Supervisor | 10 |
Nam Seong-ju | Crew | Art | Set Decoration | 10 |
Oh Jin-seok | Crew | Art | Props | 10 |
Yang Jin-sun | Crew | Costume & Make-Up | Costume Design | 10 |
Lee Myeung-eun | Crew | Costume & Make-Up | Makeup & Hair | 10 |
Park Dae-hun | Crew | Visual Effects | Special Effects Supervisor | 10 |
 Yun Seok-jin | Crew | Crew | Martial Arts Choreographer | 10 |
Kim Yeol-hoe | Crew | Editing | Digital Intermediate | 10 |
 Kim Ki-cheon | Cast | Actor | Building Management director | 1 |
 Ahn Jae-hong | Cast | Actor | Ko Baek-joong | 10 |
 Yoo Seung-mok | Cast | Actor | Dr. Yoo In-won | 8 |
 Ko Chang-seok | Cast | Actor | Baek-joong's father | 1 |
 Ryu Seung-ryong | Cast | Actor | Choi Sun-man | 10 |
 Min Sung-wook | Cast | Actor | Manager Kim | 2 |
 Ryu Tae-ho | Cast | Actor | Real estate agent | 1 |
 Kim Tae-hun | Cast | Actor | Baek-jeong | 7 |
 Jinyoung | Cast | Actor | Yoo Tae-young | 2 |
 Heo Joon-seok | Cast | Actor | Detective | 2 |
 Kim You-jung | Cast | Actress | Choi Min-ah | 10 |
 Jo Hyun-jae | Cast | Actor | Loafer | 2 |
 Jung Seung-kil | Cast | Actor | Yoo Tae-man | 7 |
 Oh Seung-yun | Cast | Actor | Jjocan's father | 1 |
 Hwang Mi-young | Cast | Actress | Ju-mo | 8 |
 Lee Ha-nui | Cast | Actor | Gwang-dae | 6 |
 Park Hyeong-su | Cast | Actor | Interviewer | 1 |
 Kim Nam-hee | Cast | Actor | Kim Hwan-dong | 7 |
 Jung Soon-won | Cast | Actor | Sang-in | 6 |
 Yang Hyun-min | Cast | Actor | Kim Bae-dal | 4 |
 Ahn Seong-bong | Cast | Actor | Baek-joong's man | 1 |
 Lee Ju-bin | Cast | Actress | Mrs. Kim | 1 |
 Baek Ji-won | Cast | Actress | Soon-sim | 3 |
 Lee Chae-kyung | Cast | Actress | Baek-joong's mother | 1 |
 Hoyeon | Cast | Actress | Hong Cha | 2 |
 Moon Sang-hoon | Cast | Actor | Jeong Hyo-bong | 1 |
 Kim Myeong-jun | Cast | Actor | Jjigeul's father | 1 |
| Person | Type | Job | Role(s) | Episodes |
