- ??? - Oslo
- Park Myung-hoon - Cho Young-min
- ??? - Cha Moo-hyeok
- ??? - Yun Mi-sun
- Lee Si-woo - Anne Kim
- Kil Eun-sung - Park Chul-woo
- Park Soo-young - Yoon Chang-soo
- Hyeon-seong Jang - Kim Sang-man
- ??? - Seoul
- ??? - Ri Cheong-myung
- Shin Soo-Ho - Park Jae-wook
- ??? - Marshal Kim
- Lee Chang-hoon - Oh Jae-Yun
- Lee Yong-nyeo - Park Pil-Soon
- Lim Hyung-kook - Jeon Yong-Su
- Hong In - Hwang Hyun-Ho
- Shin Yoo-ram - [Loan shark]
- Lee Jin-Soo - [JEA-UKM security guard]
- Yun Seung-hun - [Loan shark's subordinate]
- Kim Chul-yoon - Double agent
- Jang Ui-don - North Korean general
- Kim Min-joon - Song Sun-Ho
- Kim Joon - Nairobi's son
- Kang Ji-hoon - Anchorman
- Kim Mi-hye - Reporter
- Yoo Sang-jae - Police internal investigator
- Song Hoon - Berlin's father
- Jung Yun-ha - Berlin's mother
- Byun Yun-jeong - Rio's mother
- Ryu Yong-jae
- Son Suk-woo
- Álex Pina
- Han Seok-won
- ???
Yoo Ji-tae interpreta a Professor en la serie.
??? interpreta a Seon Woo-jin en la serie.
??? hace el papel de Berlin.
??? interpreta a Tokyo en la serie.
??? interpreta a Moscow en la serie.
??? interpreta a Denver en la serie.
Jang Yoon-ju interpreta a Nairobi en la serie.
??? interpreta a Rio en la serie.
Kim Ji-hoon interpreta a Helsinki en la serie.
??? hace el papel de Oslo.
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