Kim Min-gue

as Park Yoo-sin

as Park Yoo-sin (1 episode)

as Taeyoung (1 episode)

as Self (4 episodes)

as Self (1 episode)

as Lembrary / Woo Yeon-woo (12 episodes)

as Cha Sung-hoon (12 episodes)

as Joo Gyuk-chan (16 episodes)

as Go Soo-hwan (16 episodes)

as Self (1 episode)

as Kang Ji-Wook (16 episodes)

as [Passerby] (1 episode)

as Lee Kyung (16 episodes)

as Yoon Min-Seok (32 episodes)

as Lee Yeon-nam (10 episodes)

as Min-woo

as Self (1 episode)

as Kim Myung-Ha (100 episodes)

as Jin-Young (16 episodes)

as Yoo Byung-Cheol (10 episodes)

as Jung Eui Chan (6 episodes)