Official website: https://program.kbs.co.kr/2tv/drama/twelve
Casts
Don Lee
Taesan
Park Hyung-sik
Ogwi
Seo In-guk
Won-seung
Lee Ju-bin
Mir
Ko Kyu-phil
Do-ni
Kang Mi-na
Kang-ji
Sung Yu-been
Jui-dol
Ahn Ji-hye
Mal-sook
Regina Lei
Bang-wool
Sung Dong-il
Ma-rok
