Ahn Bo-hyun

as Ahn Sang-gu

as Baek-gyeol (14 episodes)

as Seon Jae-gyu (12 episodes)

as Gil-gu

as Self (1 episode)

as Min Kang-hoon

as Jin I-soo (30 episodes)

as Yi Hoe

as Self (1 episode)

as Mun Seo-ha (12 episodes)

as Self (12 episodes)

as Self (1 episode)

as Kwon Min-jo (3 episodes)

as Self (44 episodes)

as Do Bae-man (16 episodes)

as Jeon Pil-do (8 episodes)

as Ku Woong (28 episodes)

as Seo Do-Kyun (32 episodes)

as Self (1 episode)

as Jang Geun-won (16 episodes)

as Nam Eun-gi (16 episodes)

as Bi De (65 episodes)