| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Park Ji-eun | Crew | Writing | Writer, Creator | 16 |
 Kim Se-jeong | Crew | Sound | Vocals | 16 |
 Kang Min-kyung | Crew | Sound | Vocals | 16 |
 Lee Jeong-hyo | Crew | Creator | Creator, Director | |
 Lee Hae-ri | Crew | Sound | Vocals | 16 |
 Yoon Mi-rae | Crew | Sound | Vocals | 16 |
 Kim Jae-hwan | Crew | Sound | Vocals | 16 |
 Song Ga-in | Crew | Sound | Vocals | 16 |
 Kwon Jeong-yeol | Crew | Sound | Vocals | 16 |
 Crush | Crew | Sound | Vocals | 16 |
 Jang Young-woo | Crew | Production | Executive Producer | 16 |
 Nam Hye-seung | Crew | Sound | Original Music Composer | 16 |
 Baek Ye-rin | Crew | Sound | Vocals | 16 |
 Kim So-hee | Crew | Sound | Vocals | 16 |
 Pang Eun-jin | Cast | Actress | Han Jung-yun | 16 |
 Choi Hong-il | Cast | Actor | Jang So Chul | 2 |
 Choi Ji-woo | Cast | Actress | Self | 2 |
 Kim Young-min | Cast | Actor | Jung Man-bok | 16 |
 Jung Ae-ri | Cast | Actress | Kim Yun-hui | 16 |
 Jeon Kuk-hwan | Cast | Actor | Lee Chung-ryeol | 16 |
 Hyun Bin | Cast | Actor | Lee Jung-hyeok | 16 |
 Seo Ji-hye | Cast | Actress | Seo Dan | 16 |
 Jung Kyung-ho | Cast | Actor | Cha Sang-woo | 3 |
 Son Ye-jin | Cast | Actress | Yoon Se-ri | 16 |
 Go Gyu-pil | Cast | Actor | Hong Chang-sik | 16 |
 Oh Man-seok | Cast | Actor | Jo Cheol-kang | 16 |
 Ha Seok-jin | Cast | Actor | Lee Moo-hyeok | 5 |
 Hwang Woo-seul-hye | Cast | Actress | Do Hye-ji | 16 |
 Nam Kyung-eup | Cast | Actor | Yoon Jeung-pyung | 16 |
 Kim Young-pil | Cast | Actor | Kim Ryong-hae | 16 |
 Kim Soo-hyun | Cast | Actor | Bang Dong Goo | 2 |
 Yoon Ji-min | Cast | Actress | Goh Sang-ah | 16 |
 Na Young-hee | Cast | Actress | Clothing shop owner | 1 |
 Gwag Ja-hyeong | Cast | Actor | Chief / Coast guard | 2 |
 Kim Sun-young | Cast | Actress | Na Wol-sook | 16 |
 Kim Jung-hyun | Cast | Actor | Koo Seung-joon | 16 |
 Park Sung-woong | Cast | Actor | NK taxi driver | 1 |
 Jang So-yeon | Cast | Actress | Hyun Myung-sook | 16 |
 Kim Jung-nan | Cast | Actress | Ma Young-ae | 16 |
 Lee Se-rang | Cast | Actress | Elevator operator | 1 |
 Kim Sook | Cast | Actress | Shaman | 2 |
 Jang Jun-nyeong | Cast | Actor | Military director | 6 |
 Park Hyeong-su | Cast | Actor | Yoon Se-hyung | 16 |
 Park Myung-hoon | Cast | Actor | Goh Myoung-seok | 16 |
 Choi Dae-hoon | Cast | Actor | Yoon Se-jun | 16 |
 Cho Joon | Cast | Actor | Agent | 1 |
 Baek Seung-chul | Cast | Actor | Fishing boat captain | 2 |
 Lee Jeong-yeol | Cast | Actor | Military trial judge | 1 |
 Jang Hye-jin | Cast | Actress | Goh Myoung-eun | 16 |
 Tang Joon-sang | Cast | Actor | Geum Eun-dong | 16 |
 Choi Mu-in | Cast | Actor | Hwang Tae Yong | 2 |
 Lee Dong-yong | Cast | Actor | Grave robber | 1 |
 Shin Mi-yeong | Cast | Actress | Elevator operator | 1 |
 Park Seo-yeon | Cast | Actress | Seo Dan (young) | 1 |
 Yoo Su-bin | Cast | Actor | Kim Joo-meok | 16 |
 Yoo Jeong-ho | Cast | Actor | NIS Section Chief Kim | 3 |
 Park Chan-woo | Cast | Actor | NK doctor | 1 |
 Yoon Sang-hoon | Cast | Actor | Manager Oh | 16 |
 Yang Kyung-won | Cast | Actor | Pyo Chi-soo | 16 |
 Lee Sin-young | Cast | Actor | Park Gwang-beom | 16 |
 Cha Chung-hwa | Cast | Actress | Yang Ok-geum | 16 |
 Park Seung-jun | Cast | Actor | Ho Young | 3 |
 Park Young-bok | Cast | Actor | Na Wol Suk's husband | 1 |
 Bae Bo-ram | Cast | Actress | Seo Dan's friend | 1 |
 Song Ho-su | Cast | Actor | NIS agent | 2 |
 Yoo Seung-il | Cast | Actor | Detention center head | 1 |
 Song Hoon | Cast | Actor | Government official | 1 |
 Choi Seung-yoon | Cast | Actor | NIS agent | 2 |
 Lim Cheol-soo | Cast | Actor | Park Soo-chan | 16 |
 Han Dong-ho | Cast | Actor | NIS agent | 2 |
 Park Yong | Cast | Actor | Lee Geon Woo | 1 |
 Yoon Bok-sung | Cast | Actor | Shareholder's meeting moderator | 1 |
 Kang Chan-yang | Cast | Actress | Pyongyang Hotel clerk | 1 |
 Park Ki-ryung | Cast | Actor | NIS executive | 3 |
 Kang Ro-chae | Cast | Actress | Yoon Mi Ji | 1 |
 Shin Dong-ryeok | Cast | Actor | English tutor | 1 |
 Jung Young-hoon | Cast | Actor | Seri's Choice security | 2 |
 Ahn Se-bin | Cast | Actress | Beggar boy's sister | 2 |
 Lim Dong-yoon | Cast | Actor | Grave robber | 1 |
 Nam Jeong-woo | Cast | Actor | Military director's subordinate | 1 |
 Kim Yoon-joo | Cast | Actress | Jin Sook | 2 |
 Hong Woo-jin | Cast | Actor | President Chun | 16 |
 Lee Gyu-hoe | Cast | Actor | Govt. official | 1 |
 Park Ok-chul | Cast | Actress | Elevator operator | 1 |
 Gu Jun-Woo | Cast | Actor | Man Nam Sik | 3 |
 Son Dong-hwa | Cast | Actor | NIS agent | 2 |
 Ham Jin Sung | Cast | Actor | Chul-gang's Subordinate | 16 |
 Jeong Dong-geun | Cast | Actor | Se-ri's surgeon | 1 |
 Kim Tae-yeon | Cast | Actress | Yoon Se-ri (young) | 2 |
 Cha Sung-je | Cast | Actor | Beggar boy | 2 |
 Lee Cheon-mu | Cast | Actor | Little boy | 1 |
 Seo Hee | Cast | Actress | Woman | 1 |
 Go Han-min | Cast | Actor | Jung Hyuk's surgeon | 2 |
 Kim In-sun | Cast | Actress | Office worker on lunch break | 1 |
 Jang Young-hyeon | Cast | Actor | Paragliding Office employee | 1 |
 Lee Woo Joo | Cast | Actor | Yoon Se-ri's ex-boyfriend | 1 |
 Oh Kyu-taek | Cast | Actor | Real estate agent | 1 |
 Kim Jong Ho | Cast | Actor | Doctor Im | 1 |
 Ahn Su-bin | Cast | Actress | Seo Dan's friend | 1 |
 Lee Do-hye | Cast | Actress | Patient | 1 |
 Jeong Ye-bin | Cast | Actress | Seo Dan's high school classmate | 1 |
 Lee Soo-young | Cast | Actor | Attempted abductor of Man Bok's wife and son | 1 |
 Yong-Jin | Cast | North Korean stopped on street by Seung Jun | 1 | |
| Person | Type | Job | Role(s) | Episodes |
