Kwon Soo-hyun

as Chae Jeong-su (5 episodes)

as Han Jeong-min (1 episode)

as Yeom Hee-cheol (16 episodes)

as Jin Kang-woo

as Cha Do-won (18 episodes)

as Cha Seung-jae (16 episodes)

as Jung Soo-hyun (1 episode)

as Dong Kyung's blind date (1 episode)

as Kim Young-Hoon

as Kim Jin-woo (16 episodes)

as Seo Ji-wook (16 episodes)

as Eom Cho-Rong (16 episodes)

as Yuto

as Bodyguard (16 episodes)

as Soo