피끓는 청춘

Park Bo-young

Young-sook

Lee Jong-suk

Joong-gil

이세영

So-hee

Kim Young-kwang

Gwang-sik

권해효

Kang Dae-pan

김희원

Lee Jong-pal

라미란

Kim Nan-young

Shin Hyun-tak

Man-cheol

박정민

Hwang-kyu

Jeon Soo-jin

Yeon-hwa

김성범

Chang-soo

박승태

Soon-deok

유하복

Company President Choi

Jung Jae-sik

Joong-gil's Group

김지은

Student

Lee Chae-eun

Young Young-sook

Han Da-sol

Bike

Son Min-ji

Girl slapped on cheek

조유진

Jeong's Eldest Daughter