Yun Ju-sang

as Cha Dal-su (14 episodes)

as Narrator (voice)

as Kim Jang-su (50 episodes)

as Yeong-guk

as Ko Mul-sang (20 episodes)

as Jaegal Han-ryang (16 episodes)

as Kim Jeong-gu (1 episode)

as Chairman No (1 episode)

as Lee Cheol Soo (50 episodes)

as Han Ji-man (16 episodes)

as Ha Seok-gu (28 episodes)

as Hwang No Seob (24 episodes)

as Lee Won Gil (16 episodes)

as Moon Tae-san (48 episodes)

as Grandfather Jang (32 episodes)

as Moon Sung-Woo (16 episodes)

as Choi Chun-Sool (16 episodes)

as Park Man-Jae (102 episodes)

as Ko Pyeong-Sik (20 episodes)

as Jang Won-sik (16 episodes)

as CEO Yoon (16 episodes)

as Chan-yeol's grandfather (16 episodes)