Yoo Hai-jin
Tae-soo

Cho Jin-woong
Seok-ho

Lee Seo-jin
Joon-mo

Yum Jung-ah
Soo-hyun

Kim Ji-soo
Ye-jin

Song Ha-yoon
Se-kyung

Yoon Kyung-ho
Young-bae

Ji Woo
So-young

Choi Yu-hwa
Chae-young (voice)

Lee Soon-jae
Young-bae's Father (voice)

Lee Do-gyeong
Ye-jin's Father (voice)

Ra Mi-ran
So-wol (voice)

Cho Jung-seok
Yeon-woo (voice)

Jo Dal-hwan
Detective (voice)

Kim Min-kyo
Min-soo (voice)

Jeong Seok-yong
Joon-mo's Friend (voice)

Choi Sun-ja
Tae-soo's Mother (voice)

Jeong Min-gyu
Jin-seo

Jung Ji-hoon
Young Joon-mo