Choi Kang-hee

as Kang Mi-na

Bong Tae-gyu

as Choi Kang-ho

Jeong Gyu-su

as Mr. Bae

Kim Won-hae

as Unidentified Mr. Jang

Park Sa-rang

as Young Kang Mi-na

Goo Seung-hyun

as Young Choi Kang-ho

Kim Dan-yul

as Seo-jin

Kim Young-sun

as Seo-jin's Mother

Kim Ji-young

as Kindergarten Student

Jeong Joon-won

as Eung-cheol

Uhm Ji-sung

as Oh-sung

Im Won-hee

as Man at city hall stealing coins

Kim Bo-yoon

as So-young

Yang Han-yeol

as Tae-gwon

Park Seo-yeon

as Jin-hee

Oh Min-ae

as Nurse

Lee Dong-jin

as Doctor

Jeon Kyeong-soo

as Nurse