Nam Sung-jin

as Cha In-seong (120 episodes)

as Lee Hyo-seong (51 episodes)

as Cha Min-Ho (16 episodes)

as Boo Geum Kang (122 episodes)

as Baek Doo-hwan

as King

as President Gu

as Lee Deok-hyeong (50 episodes)

as Peter

as Lee Gyu Shik (20 episodes)

as Lee Han

as 간수 (8 episodes)

as Self (1 episode)

as Yoon

as King Jeong-jo

as Ki-yeon

as Joon-Hee

as 하준서 (16 episodes)

as Kim Young-nam (2 episodes)