| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Yoo In-sik | Crew | Directing | Director, Creator | 16 |
 Jang Young-cheol | Crew | Writing | Writer | 16 |
 Ha Hyun-woo | Crew | Sound | Vocals | 16 |
 Kim Jae-hwan | Crew | Sound | Vocals | 16 |
Jung Gyeong-sun | Crew | Writing | Writer | 16 |
 Baek A-yeon | Crew | Sound | Vocals | 16 |
Jang Yeong-cheol | Crew | Creator | Creator | |
 Lee Gil-bok | Crew | Camera | Director of Photography | 16 |
 Nam Hye-seung | Crew | Sound | Original Music Composer | 16 |
 António Pedro Cerdeira | Cast | Actor | Michael Almeida [Vice President of John & Mark Asia] | 1 |
 Yoon Da-hoon | Cast | Actor | Judge Seok Soo Il | 2 |
 Lee Ki-young | Cast | Actor | Kang Joo-chul | 16 |
 Kim Jeong-hyeon | Cast | Actor | Hong Seung-bum | 16 |
 Lee Kyung-young | Cast | Actor | Edward Park | 16 |
 Moon Sung-keun | Cast | Actor | Hong Sun-jo | 16 |
 Kim Jin | Cast | Actress | Cha Hoon's teacher | 1 |
 Moon Jeong-hee | Cast | Actress | Jessica Lee | 16 |
 Kang Kyung-hun | Cast | Actress | Oh Sang-mi | 16 |
 Lee Hwang-eui | Cast | Actor | Kevin Kim [Doctor] | 2 |
 Kim Min-jong | Cast | Actor | Park Man-young | 16 |
 Teo Yoo | Cast | Actor | Jerome / Park Su-chan | 16 |
 Baek Yoon-sik | Cast | Actor | Jung Gook-pyo | 16 |
 Hwang Bo-ra | Cast | Actress | Gong Hwa-sook | 16 |
 Go Gyu-pil | Cast | Actor | Park Gwang-duk | 16 |
 Shin Sung-rok | Cast | Actor | Gi Tae-woong | 16 |
 Jeong Man-sik | Cast | Actor | Min Jae-shik | 16 |
 Lee Seung-gi | Cast | Actor | Cha Dal-gun | 16 |
 Kim Sun-young | Cast | Actress | Gye Sun Ja [Restaurant Owner / Secret Agent] | 4 |
 Jang Seong-beom | Cast | Actor | Lee Pil Yong [plane crash victim] | 1 |
 Ryu Won | Cast | Actress | Miki | 16 |
 Yoo Tae-woong | Cast | Actor | Hwang Pil Young [Black Ops Team Leader] | 2 |
 Kim Jong-soo | Cast | Actor | An Gi-dong | 16 |
 Jeon Se-hong | Cast | Actress | SBC Reporter | 2 |
 Hong Seo-jun | Cast | Actor | Lim Pil Gyu [Lieutenant General] | 3 |
 Jang Hyuk-jin | Cast | Actor | Kim Woo-gi | 16 |
 Park Ah-in | Cast | Actress | Lily | 16 |
 Bae Suzy | Cast | Actress | Go Hae-ri / Elsa | 16 |
 Shin Seung-hwan | Cast | Actor | Kim Se-hun | 16 |
 Choi Dae-chul | Cast | Actor | Kim Do-su | 16 |
 Seo Sang-won | Cast | Actor | Choi Jung Yun [Pilot] | 1 |
 Park Jin-young | Cast | Actor | Mr. Oh [Assemblyman] | 3 |
 Ryu Sung-hyun | Cast | Actor | Chief Choi [NIS] | 2 |
 Yoo Hyung-gwan | Cast | Actor | Oh Jae Gwan [Korean Ambassador, Morocco] | 1 |
 Yoon Na-moo | Cast | Actor | Kim Ho Shik [Staff member, Korean Embassy, Morocco] | 3 |
 Jung Hyeon-jun | Cast | Actor | Cha Hoon [Dal Gun's nephew / "6 Years Old"] | 2 |
 Matthew Douma | Cast | Actor | Hitman | 1 |
 Choi Gwang-il | Cast | Actor | Park Man-young | 16 |
 Son Kyoung-won | Cast | Actor | Chief Park [NIS] | 3 |
 Moon Woo-jin | Cast | Actor | Cha Hoon [Dal Gun's nephew / "11 Years Old"] | 3 |
 Sung Chan-ho | Cast | Actor | Plane Crash Victim's Father | 16 |
 John D. Michaels | Cast | Actor | Mercenary team leader | 1 |
 Park Yong | Cast | Actor | Chief Han [News Agency Delegate] | 1 |
 Kim Mi-hye | Cast | Actress | News Anchor | 1 |
 Lee Si-yu | Cast | Actress | Seo Young-ji | 16 |
 Shin Dong-ryeok | Cast | Actor | Bae Dong Chan [Pyeonghwa Daily] | 1 |
 Bae Ki-beom | Cast | Actor | Choi Sang Bae [Policy Advisor, Ministry of Defense] | 3 |
 Kim Min-Seo | Cast | Actor | Han Ki-soo | 16 |
 Lee Yun-sang | Cast | Actor | Jang Dong Gyu [President, Institute for Defense Analysis] | 3 |
 Lee Woo Joo | Cast | Actor | "Mustang" [Tae Ung's team] | 1 |
 Ahn Su-bin | Cast | Actress | Airport police phone operator | 1 |
 Woo Sung-min | Cast | Actor | Playing with toy at tour bus | 1 |
| Person | Type | Job | Role(s) | Episodes |
