Jung Woon-sun

as Oh Joo-young (10 episodes)

as Kim Ji Hui (10 episodes)

as Shin Yoo-na (2 episodes)

as Jeon Soo-hyun

as Oh Ri Na [Psychiatrist Patient] (12 episodes)

as Hae-soo (8 episodes)

as Bae Won-hee (16 episodes)

as Jin Tae-kyung (16 episodes)

as Shin So-yoon (12 episodes)

as Sun-woo

as Joong-pil's sister

as High School Student