Choi Hyun-wook

as Han Tae-yang (1 episode)

as Lee Kang (6 episodes)

as Self (10 episodes)

as Benjamin Jo

as Haneda Airport passenger

as Ban Ju-yeon (12 episodes)

as Self (2 episodes)

as Seo Ho-soo (20 episodes)

as Ha Yi-chan (16 episodes)

as Self (1 episode)

as Ahn Su-ho (16 episodes)

as Self (1 episode)

as Self (1 episode)

as Moon Ji-woong (16 episodes)

as Yim Cheol-gyeong (young) (1 episode)

as Shin Ah-wi (6 episodes)

as Na Woo-chan (16 episodes)

as Park Seung-tae (2 episodes)

as Moon Ye-chan (39 episodes)

as Noh Ye-joon (10 episodes)