Kim Mu-saeng

as Chairman Kang

as Tae-shik's father

as Lee Pil-deuk, Kyung-min's grandfather

as Choong Won Kong

as Professor Han

as 박성달

as Lee Seong Gye

as Jo Sa Seok

as 후쿠다

as Chang Myon

as Lee Soon Shin

as King Taejo

as Jo Sa Seok