Ro Jong-hyun

as Min Se-in (12 episodes)

as Lee Seok-joo (12 episodes)

as Jang Young-hoon (10 episodes)

as Song Ho-jae (1 episode), as Go Eun-hyeok (2 episodes)

as Ddal-bong

as Do Woo-jae (8 episodes)

as Jang Ho-tae

as Joo Yoon-soo (24 episodes)

as Kang Seok-yoon (10 episodes)

as Lee Dae-bong (16 episodes)

as Ji Yul's boyfriend (2 episodes)

as Jo Nam-Sik (16 episodes)

as Maeng Man Bok (4 episodes)

as Yoon Ji-seok (16 episodes)