Kim Mu-saeng

as Professor Han

as Tae-shik's father

as Jo Sa Seok

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

as Chairman Kang

as Choong Won Kong

as 박성달

as Lee Seong Gye

as 후쿠다

as King Taejo

as Lee Soon Shin

as Chang Myon

as Jo Sa Seok