Secretly Greatly [Russian]

Kim Soo-hyun

Won Ryoo-hwan

Gi-woong Park

Ri Hae-rang

Hyun-Woo Lee

Ri Hae-jin

Son Hyeon-ju

Kim Tae-won

Hye-soo Park

Jeon Soon-im

Kim Seong-gyoon

Seo Soo-hyuk

Chae-yeong Lee

Ran

Chang-Seok Ko

Seo Sang-goo

Park Eun-bin

Yoon Yoo-ran

Hye-sook Park

Jeon Soon-im

Hyeon Ju

Ri Moo-hyeok

Lee Jae-woo

North Korea military officer

Lee Sang-Bo

National Intelligence agent A

Tae-goo Eom

Hwang Jae-oh

Choi Woo-sik

Yoon Yoo-joon

Yoo-Bin Sung

Ri Hae-jin (young)