The film mainly follows the famous 1597 Battle of Myeongryang during the Japanese invasion of Korea 1592-1598, where the iconic Joseon admiral Yi Sun-sin managed to destroy a total of 133 Japanese warships with only 13 ships remaining in his command. The battle, which took place in the Myeongryang Strait off the southwest coast of the Korean Peninsula, is considered one of the greatest victories of Yi.
as Admiral Yi Sun-Shin
as Kurushima Michifusa
as Wakizaka Yasuharu
as Im Jun-yeong
as Mrs. Jeong
as Todo Takatora
as Yi Hoe
as Haru
as Kim Joong-geol
as Junsa
as Kato
as Bae Su-bong
as Song Hui-rip
as Na Dae-yong
as Kim Dol-son
as Bae Seol
as Song Yeo-jong
as Kim Eok-choo
as Hye-hee
as Executive Officer Kim Eung-ham
as Ok-hyung
as Kimura
as Bae Hong-seok
as Oh Sang-gu (uncredited)
as Oh Duk-yi (uncredited)
as Jo Mun-ong (uncredited)
as Jo Tae-shik (uncredited)
as Elder Jong-seon (uncredited)
as Bae-seol's man (uncredited)
as Katsura (uncredited)
as Navy
as Large Body Military
as Ahn Wi
as Kuroda
as Kim Eok-choo's chief (uncredited)