Jang In-sub as Taeik

Bae So-eun as Ari

Cho Soo-hyang as Yeji

Joo Ye-rin as Seohui

Lee Hyeong-gu as Suhyeon

Kim Ja-young as Ari ma

Tae-hyeong Lim as Grandpa

Moon Tae-Geon as Young Taeik

Oh Yu-jin as Young Ari

Koo Ji-Hye as Young Yeji

Park Yeong-Hun as Young Suhyeon

Lim Ji-Su as Taeik ma

Li Won-Ik as Taeik pa

Song Yu-Dam as Uncle

Park Se-jun as Gidung

Chang Jin-Hoon as Yeji pa

Kim Min-Sook as Yeji ma

Nam Tae-Bu as Taebu

Lee Gwang-jin as Gidung Uncle

Choi Dae-sung as Cafe manager

Kim Hanna as Cafe worker

Im Seong-Gyu as Daft Punk cosplayer 1

Lee Jae-Ju as Daft Punk cosplayer 2

Moon Ji-hong as Party guy voice

Jung Se-na as Party girl

Lee Yu-mi as Hye-jin