두만강아 잘 있거라

Nam Yeong-u

Seo Chang-hwan

Kim Yeon-hwa

Kang Gyeong-ae (Young-woo's Lover)

Wakino (Military General)

Min Tae-yeong (Yeon-hwa's Uncle)

Woo Byeong-cheol

Kim Hyeon-gu (Yeon-hwa's Younger Brother)