The Fortress

Lee Byung-hun

Choe Myeong-gil

Kim Yoon-seok

Kim Sang-heon

Park Hae-il

King In-jo

Go Soo

Seo Nal-soe

Park Hee-soon

Lee Si-baek

Song Young-chang

Kim Ryu

Jo Woo-jin

Jeong Myeong-su

Lee Da-wit

Chil-bok

Heo Sung-tae

Yong Gol-dae

Kim Pub-lae

Khan

Jo A-in

Na-ru

Jin Sun-kyu

Lee Du-gap

Yoo Soon-woong

Chief Scholar (non-crédité)

Park Ji-il

Deputy Chief Scholar (non-crédité)

Choi Jong-ryul

Eunuch (non-crédité)

Moon Chang-gil

Old Boatman (non-crédité)

Cho Ah-in

Na-ru

Lee Sang-hee

Soldier

Kim Seo-hyeon

Minister

Ha Soo-ho

Royal Forces Commander