Kang-mu

Mi-seon

Hee-ju

Sang-ung

Jeong-rok

Jung-san

Hun-ki

Dong-su

Geum-seok

Baek Seon-u

Gray-haired Man

Lee Go-an

Lee Go-dong

Section chief

The Defense Counterintelligence commander

Ma Chang-gi

Teacher

Dong-hyeok

Dong-hyeok's mother

Jonathan