| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Kim Tae-seong | Crew | Sound | Original Music Composer | 12 |
 Álex Pina | Crew | Writing | Original Series Creator, Executive Producer | 12 |
 Kang Seung-gi | Crew | Camera | Director of Photography | 12 |
 Kim Hong-sun | Crew | Creator | Creator, Director | |
Kim Ho-sung | Crew | Lighting | Lighting Director | 12 |
Ryu Yong-jae | Crew | Writing | Screenplay, Writer, Creator | 12 |
Son Suk-woo | Crew | Production | Executive Producer | 12 |
Park Seong-jin | Crew | Visual Effects | VFX Supervisor | 12 |
Choi Hong-seob | Crew | Art | Set Decoration | 12 |
Seo Sung-kyung | Crew | Art | Production Design | 12 |
Kim Hwan-chae | Crew | Writing | Writer, Creator | 12 |
Han Seok-won | Crew | Production | Executive Producer | 12 |
 Yoo Ji-tae | Cast | Actor | Professor | 12 |
 Yunjin Kim | Cast | Actress | Seon Woo-jin | 12 |
 Jang Hyun-sung | Cast | Actor | Kim Sang-man | 12 |
 Lee Won-jong | Cast | Actor | Moscow | 12 |
 Kim Ji-hun | Cast | Actor | Denver | 12 |
 Lee Hyun-woo | Cast | Actor | Rio | 12 |
 Park Soo-young | Cast | Actor | Yoon Chang-soo | 12 |
 Lee Yang-hee | Cast | Actor | Rio's father | 2 |
 Lim Ji-yeon | Cast | Actress | Seoul | 12 |
 Park Hae-soo | Cast | Actor | Berlin | 12 |
 Shin Yoo-ram | Cast | Actor | [Loan shark] | 1 |
 Jun Jong-seo | Cast | Actress | Tokyo | 12 |
 Lee Yong-nyeo | Cast | Actress | Park Pil-Soon | 12 |
 Jang Yoon-ju | Cast | Actress | Nairobi | 12 |
 Lim Hyung-kook | Cast | Actor | Jeon Yong-Su | 12 |
 Kim Ji-hoon | Cast | Actor | Helsinki | 12 |
 Kim Sung-oh | Cast | Actor | Cha Moo-hyeok | 12 |
 Park Myung-hoon | Cast | Actor | Cho Young-min | 12 |
 Yoo Sang-jae | Cast | Actor | Police internal investigator | 1 |
 Yun Seung-hun | Cast | Actor | [Loan shark's subordinate] | 1 |
 Lee Kyu-ho | Cast | Actor | Oslo | 12 |
 Lee Yoon-hee | Cast | Actor | Ri Cheong-myung | 12 |
 Lee Chang-hoon | Cast | Actor | Oh Jae-Yun | 12 |
 Jung Yun-ha | Cast | Actress | Berlin's mother | 2 |
 Lee Ju-bin | Cast | Actress | Yun Mi-sun | 12 |
 Kim Cheol-yun | Cast | Actor | Double agent | 1 |
 Kim Joon | Cast | Actor | Nairobi's son | 1 |
 Song Hoon | Cast | Actor | Berlin's father | 1 |
 Hong In | Cast | Actor | Hwang Hyun-Ho | 12 |
 Jeong Jae-seong | Cast | Actor | Marshal Kim | 12 |
 Jang Ui-don | Cast | Actor | North Korean general | 1 |
 Kim Mi-hye | Cast | Actress | Reporter | 1 |
 Byun Yun-jeong | Cast | Actress | Rio's mother | 2 |
 Jang Jae-kwon | Cast | Actor | Seon Woo Jin's lawyer | 1 |
 Shin Soo-Ho | Cast | Actor | Park Jae-wook | 12 |
 Park Chul-Min | Cast | Actor | Reporter Park | 1 |
 Son Dong-soo | Cast | Actor | Train station staff | 1 |
 Kil Eun-sung | Cast | Actor | Park Chul-woo | 12 |
 Lee Si-woo | Cast | Actress | Anne Kim | 12 |
 Park Byung-wook | Cast | Actor | [North Korean Official] | 1 |
| Person | Type | Job | Role(s) | Episodes |
