Park Sung-jun

as Kwang Ryeol

as Sara

as Playground Thug

as Kim Min Jae (2 episodes)

as Kim Duk

as Yoo Dae-il (16 episodes)

as Kwon Yeong-il (16 episodes)

as Lucky Monster

as Young No

as Cheon Man Shik [Young] (17 episodes)

as 선준

as Noh Jae-soo (12 episodes)

as Kang Moo Taek (12 episodes)

as Youtuber

as Jung Min Chul (10 episodes)

as Constable Kim

as Corporal Kim Tae Yong (1 episode)

as Shin Ho Bang [Young] (40 episodes)

as God Hyu

as Student

as Kwang Ryeol (1 episode)