Han Sang-hyuk

as Sung-gyu

as Min-jun

as Kim Se Hyun

as Wan-jun

as Gong Hee Jun

as Kim Se-hyun (8 episodes)

as Cha Woo Bin (12 episodes)

as Choi Jeong Woo (16 episodes)

as Himself

as Ha-neul

as Kang Se Woong (6 episodes)

as Han Won-tae

as Himself

as Self (12 episodes)

as Self (1 episode)

as Himself (5 episodes)

as Self (1 episode)