| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Oh Choong-hwan | Crew | Directing | Director | 16 |
 Jang Young-cheol | Crew | Creator | Creator | |
Lee Sang-baek | Crew | Production | Executive Producer | 16 |
 Donghyuk | Crew | Sound | Vocals | 16 |
Jung Gyeong-sun | Crew | Creator | Creator | |
Justhis | Crew | Sound | Vocals | 16 |
Kim Ha-ram | Crew | Writing | Writer | 16 |
Park Se-jun | Crew | Sound | Music | 16 |
Kim Young-kyu | Crew | Production | Executive Producer | 16 |
Bae Hyun-jin | Crew | Directing | Co-Director | 16 |
 Lee Ki-young | Cast | Actor | Go Gi-Gwang | 16 |
 Kim Jeong-hyeon | Cast | Actor | Jung Chae Bong | 16 |
 Jeon Kuk-hwan | Cast | Actor | Kang Sung Geun [Chairman] | 16 |
 Jung Jae-jin | Cast | Actor | Mr. Choi | 2 |
 Lee Chang-jik | Cast | Actor | [Choi Do Ha's grandfather] | 16 |
 Jin Yong-uk | Cast | Actor | [Prisoner 2718] | 1 |
 Yoona | Cast | Actress | Ko Mi-ho | 16 |
 Kwak Dong-yeon | Cast | Actor | Jerry | 16 |
 Oh Eui-sik | Cast | Actor | Kim Soon-Tae | 16 |
 Lee Jong-suk | Cast | Actor | Park Chang-ho | 16 |
 Lee Yoo-jun | Cast | Actor | Han Jae Ho | 16 |
 Baek Seung-ik | Cast | Actor | Waterfowl | 1 |
 Han Gi-joong | Cast | Actor | Kim Gap Joo [Secretary general] | 2 |
 Jang Hyuk-jin | Cast | Actor | Choi Jong Rak | 16 |
 Shin Seung-hwan | Cast | Actor | Peter Hong | 2 |
 Han Sa-myeong | Cast | Actor | [Prisoner 1708] | 1 |
 Im Jae-geun | Cast | Actor | Reporter | 1 |
 Bae Ho-geun | Cast | Actor | Producer Na | 2 |
 Kim Do-wan | Cast | Actor | [Upstairs neighbor] | 1 |
 Kim Jung-don | Cast | Actor | Hwang Ji Hyuk [Guard] | 1 |
 Lee Seung-Hyung | Cast | Actor | Chairman Kang's secretary | 16 |
 Kim Dong-won | Cast | Actor | Gan Soo Chul | 16 |
 Jung Hyeong-seok | Cast | Actor | Man in attendance | 1 |
 Kim Kyu-seon | Cast | Actress | Ashley Kim | 16 |
 Ok Ja-yeon | Cast | Actress | Hyun Joo Hee | 16 |
 Park Hoon | Cast | Actor | Seo Jae Yong | 16 |
 Oh Min-jeong | Cast | Actress | [Nursing home nurse] | 1 |
 Park Se-hyun | Cast | Actress | Jang Hee Joo | 16 |
 Yoo Su-bin | Cast | Actor | [Upstairs neighbor] | 1 |
 Cha Si-won | Cast | Actor | Guard Han Yeon Sung | 2 |
 Kang Hyung-wook | Cast | Actor | No Bak | 16 |
 Mi Seok | Cast | Actor | [Prisoner 2093] | 1 |
 Park Kwang-jae | Cast | Actor | Jiseong Mental Center staff | 2 |
 Jang In-ho | Cast | Actor | Detective | 1 |
 Choi Yoon-bin | Cast | Actor | [Prisoner 6205] | 1 |
 Yang Kyung-won | Cast | Actor | Gong Ji Hoon | 16 |
 Sung Nak-kyung | Cast | Actor | Park Yoon Gab's subordinate | 1 |
 Jin Mo | Cast | Actor | [Prisoner 6678] | 2 |
 Park Jeong-bok | Cast | Actor | prisoner 5362 | 2 |
 Kim Joo-heon | Cast | Actor | Choi Do Ha | 16 |
 Park Young-bok | Cast | Actor | Mr. Yeom | 1 |
 Shin Seung-yong | Cast | Actor | [Angry client] | 1 |
 Hong Seok-bin | Cast | Actor | [Fishing reservoir man] | 1 |
 Oh Ryoong | Cast | Actor | Lee Doo Geun | 16 |
 Jeong Jae-seong | Cast | Actor | Park Yoon Gab | 16 |
 Han Dong-ho | Cast | Actor | Secretary Jo | 1 |
 Min Eung-sik | Cast | Actor | Judge | 1 |
 Jang Ui-don | Cast | Actor | Police officer | 2 |
 Kim Sun-hoa | Cast | Actress | Park Mi Young | 16 |
 Park Yong | Cast | Actor | [Judge] | 1 |
 Kim Do-young | Cast | Actor | Doctor Hong Kwang Ho | 2 |
 Yoon Bok-sung | Cast | Actor | Lee Chang Sub | 1 |
 Park Sang-hwi | Cast | Actor | [Reporter] | 1 |
 Jun Sung-won | Cast | Actor | [Prisoner 3857] | 1 |
 Lee Seung-joon | Cast | Actor | [Nam Ki Sung's relative] | 1 |
 Lee Yoon-Sang | Cast | Actor | Kong Ji Hoon [Child, photo] | 1 |
 Kim Won-suk | Cast | Actor | [Detective] | 1 |
 Kim Gyeong-min | Cast | Actor | TV debate moderator | 2 |
 Park Hui-eun | Cast | Actress | [Nam Ki Sung's wife] | 1 |
 Han Dong-kyu | Cast | Actor | Mr. Ko | 2 |
 Song Ha-Rim | Cast | Actor | [Prisoner 7941] | 1 |
 Hong Ji-hee | Cast | Actress | Jang Hye Jin | 16 |
 Song Gyeong-cheol | Cast | Actor | Yang Chun Sik | 16 |
 Lee Taek-geun | Cast | Actor | Kong Ji Hoon's secretary | 1 |
 Lee Hyun-geol | Cast | Actor | [Riot officer] | 1 |
 Kim Min | Cast | Actor | Police Station Student | 1 |
 Park Sang-hyeon | Cast | Actress | Kim Soo Yeon [Nurse] | 1 |
 Pyo Young-seo | Cast | Actress | Jerry's sister | 1 |
 Jeong Dong-geun | Cast | Actor | Prosecutor Jeon Soo Il | 2 |
 Min Sang-woo | Cast | Actor | [Prison guard] | 1 |
 Jin Tae-yeon | Cast | Actress | Club hostess | 1 |
 Lee Keon-gu | Cast | Actor | [Prisoner] | 1 |
 Hwang In-jun | Cast | Actor | Min Byung Nam | 2 |
 Woo Hyun-seo | Cast | Actress | Club hostess | 1 |
 Kwon Ban-seok | Cast | Actor | [Reporter] | 1 |
 Sun Yul-woo | Cast | Actor | [Prisoner #2007] | 1 |
 Lee Yun-sang | Cast | Actor | [Judge] | 1 |
 Seo Myung-chan | Cast | Actor | [Ji Hoon's butler] | 1 |
 Park Ji-ho | Cast | Actor | Reporter Sung Bo Kyung | 1 |
 Lee Hyoung-Hoon | Cast | Actor | Tak Kwang-Yeon's brother | 3 |
 Lee Do-hye | Cast | Actress | Tak Kwang-Yeon's sister | 3 |
 Park Sang-jong | Cast | Actor | Attorney Jung | 1 |
 Shin Dong-eun | Cast | Actor | [Prison doctor] | 1 |
 Lee Byeong-cheol | Cast | Actor | [Angry client] | 1 |
 Lim Seung-Beom | Cast | Actor | [Reporter] | 1 |
 Lee Jae-woo | Cast | Actor | [Reporter] | 1 |
 Lee Jang-Ho | Cast | Actor | Guard Bae Tae Young | 1 |
 Jeon Jae-Hong | Cast | Actor | [Prison guard] | 2 |
| Person | Type | Job | Role(s) | Episodes |
