Lee Hyun-jin

as Calvin (12 episodes)

as Gi-young

as Self - Contestant (9 episodes)

as Kang Dong-Ha (100 episodes)

as Min-jae (1 episode)

as Kang Gun-woo (32 episodes)

as Cho Tae-jun (20 episodes)

as Lee Hyun-jin (50 episodes)

as Park Hyun-Soo (17 episodes)

as Hae Young #1's Blind Date (1 episode)

as Bo Na's brother (1 episode)

as Choi Seong-jae (24 episodes)

as Kang Do-kyeong

as Kwon Jin-won (16 episodes)

as Gi-woo

as Kim Ji-hoon

as Hyun Ki-young (15 episodes)

as Min-gook Jang (1 episode)

as 张民国 (173 episodes)

as Gung San Ho / Coral (50 episodes)

as Seok-i

as Jung Hyun-Kyu (54 episodes)

as Uhm Hyun-jin (121 episodes)