Lee Si-woo

as Lee Yong (1 episode)

as Seo Jun-seo (12 episodes)

as Self (1 episode)

as Self (1 episode)

as Gong Moon-soo (12 episodes)

as Ji Hyun-woo (12 episodes)

as Jung Gyeong-tae (10 episodes)

as Ha Do-jin (12 episodes)

as Yoon Min-jae (10 episodes)

as Jang Yeon Joon

as Park Jin-goo (1 episode)

as Jun Shik (4 episodes)

as Kim Ji-hoon (16 episodes)

as Jang Pil-seung (16 episodes)

as Ki Jung-woo (22 episodes)