안영미

Yoo Yang

노민우

Park Byeong

Yoo So-young

Jo Ye Ri

이병헌

Lee Byeong Heon

황병국

Kim Kwang Bae

Kwon Hyuk-soo

Yoo Yang's ex

지대한

Yoo Yang's father

이규복

Private lesson student

노진원

Park Byeong’s boss