Lee Mu-saeng

as Yu Philip (16 episodes)

as Chen Shaobo (8 episodes)

as Young-Chan (1 episode)

as Lee Chi-hyeon

as On San (10 episodes)

as Cha Seong-jae (12 episodes)

as Joon-seok

as Myung-hwan

as Konishi Yukinaga

as Yoo Jung-jae (12 episodes)

as Self (1 episode)

as Self (1 episode)

as Kang Yeong-cheon (6 episodes)

as Seon-ho

as Lee Yeong-shin (16 episodes)

as Kim Jin-seok (12 episodes)

as Gong Soo-hyuk (8 episodes)

as Self (4 episodes)

as Kim Yun-gi (16 episodes)

as Kim Nam-wook (16 episodes)

as Nam Shi-hoon (32 episodes)

as Prince Jinpyung (16 episodes)

as Team Leader (10 episodes)