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When a legendary Go master loses his title to a one-time friend and protégé, he sets out to reclaim it in a high-stakes battle of wits and skill.
Lee Byung-hun
Cho Hoon-hyun
Yoo Ah-in
Lee Chang-ho
Moon Jeong-hee
Jung Mi-hwa
Kim Kang-hoon
Young Lee Chang-ho
Jeong Seok-yong
Jae-ryong
Ko Chang-seok
Seung-pil
Hyun Bong-sik
Yong-gak
Jo Woo-jin
Gi-cheol
Son Jong-hak
President Yoon
Nam Moon-chul
Teacher Baek
Ju Jin-mo
Gyu-sang
Jeon Moo-song
Hwa-choon
Kim Ki-cheon
Mr. Kim
Kwak Ja-hyung
Nie Weiping
Jung Woo-young
Host
Bae Ki-beom
Teacher Ko
Byun Jin-su
Go Knight 2
Lee Dong-kyu
News Anchor
Kim Sung-kang
Chinese News Anchor
Kwon Gwi-bin
Interview Reporter
Kim Yeon-kyo
Time Keeper at Hotel Sejong
Kang Chae-min
Student 2
Yoo Ah-reum
Inn Staff
Lee Tae-young
Delivery Man
