Lee Byung-hun as Soo-hyun

Choi Ji-woo as Han Sun-young

Kim Hyo-jin as Han Mi-young

Chu Sang-mi as Han Jin-young

Sunwoo Yong-nyeo as Mother

Jeon Jae-hyeong as Han Dae-young

Kim Hae-gon as Jin-young's husband

Tak Jae-hoon as Sang-il

Jung Bo-seog as Professor Uhm

Gong Hyung-jin as Waiter

Shin Yi as (cameo)

Im Hyeon-ju as Min-ji