Sung Hoon

as Kwon Do-hyuk (1 episode)

as Song Jae-seob (2 episodes)

as Seo Do-guk (12 episodes)

as Raphael / Kim Bok-rae (14 episodes)

as JJ's Brother (4 episodes)

as Pan Sa-Hyun (48 episodes)

as JIN (5 episodes)

as Self (2 episodes)

as Self (1 episode)

as Seung-jae

as An Dan-Te (12 episodes)

as Kang Joo Hyuk (10 episodes)

as Jo Suk (20 episodes)

as Tae-sung

as Lee Kyung-joon (1 episode)

as Kang Shin Jyuk (Staff) (24 episodes)

as Cha Jin Wook (13 episodes)

as Self (1 episode)

as Kim Sang-Min (54 episodes)

as Self (1 episode)

as Jang Jun-seong (16 episodes)