Song Min-jae

as Cheol-soo

as Jo Yong-pil (young) (16 episodes)

as Lee Si-woo (child) (1 episode)

as Hong Doo-shik (young) (2 episodes)

as Young Go Mu-chi (2 episodes)

as Yoo Shi-hoo (100 episodes)

as Dae Sung [street food vendor's grandson] (24 episodes)

as Seo Yeo-Reum (128 episodes)

as Child