Park Hae-il as Admiral Yi Sun-shin

Byun Yo-han as Wakisaka Yasuharu

Ahn Sung-ki as Eo Yeong-dam

Son Hyun-joo as Won Gyun

Kim Sung-kyu as Junsa

Kim Sung-kyun as Kato Yoshiaki

Kim Hyang-gi as Jeong Bo-reum

Ok Taec-yeon as Im Jun-yeong

Gong Myoung as Yi Eok-gi

Park Ji-hwan as Na Dae-yong

Jo Jae-yun as Manabe Samanozo

Yoon Je-moon as Kuroda Kanbei

Park Hoon as Yi Un-ryong

Park Jae-min as Watanabe Shichiemon

Lee Seo-jun as Wakisaka Sahei

Kim Jae-young as Jeong Un

Yoon Jin-young as Song Hui-rip

Kim Kang-il as Kuki Yoshitaka

Lee Jun-hyeok as Hwang Bak

Kim Min-jae as Yi Eon-ryang

Kim Koo-taek as Kim Wan

Son Kyoung-won as Sin Ho

Ahn Seong-bong as Gwon Jun

Lee Woon-san as Yi Gi-nam

Kim Myung-gon as Todo Takatora

Kim Young-woong as Jeong Dam

Kong Jeong-hwan as Kobayakawa Takakage

Bae Hyeon-seong as Kim Cheon-son

Kim Dae-myung as Yi Yeong-nam

Jung Ye-hun as Yi Bong-su

Kim Han-min as Gwon Yul

Jung Je-woo as Kuroda

Moon Sook as Mrs. Byun

Kim Ki-ho as Sahaee

Hyun Bong-sik as Lee Gwang

Nam Hyun-woo as Kim Wan's Man

Son Dae-min as Soldier

Kim Dong-hun as Spy