Korea's first nuclear submarine and a crew with no record of existence embark on a do-or-die mission into the deep waters of the Pacific.
최민수
as Lieutenant 202
정우성
as 431
윤주상
as Captain
손병호
as 562
고동업
as 561
김영호
as 872
설경구
as 432
정은표
as 981
박길수
as 841