The Duo: Cast
Chun Jung-myung
Chun-doong
Noh Young-hak
Chun-doong (young)
Lee Sang-yun
Gwi-dong
Choi Woo-shik
Gwi-dong (young)
Han Ji-hye
Dong-nyeo
Jin Se-yeon
Dong-nyeo (young)
Seo Hyun-jin
Dal-yi
Min Sung-wook
Kap Dong
Im Hwa-young
Eon-nyeon
Yang Mi-kyung
Chun-doong's mother
Kim Yong-hee
Im Po-jol
Kim Woo-seok
Se Gap [Young]
Hong Wan-pyo
Ah Rae Jeok