Jun Ji-hyun

The Girl

Cha Tae-hyun

Kyun-woo

Kim In-mun

Kyun-woo's Father

Song Ok-suk

Kyun-woo's Mother

Han Jin-hee

The Girl's Father

Kim Il-woo

Quintuplets

Seo Dong-won

Army Deserter

Yoo Soon-chul

Old Man (uncredited)

Park Seon-a

Policewoman

Im Ho

Blind Date Man (uncredited)

Lee Mu-yeong

(uncredited)

Kwak Jae-yong

Covered Cart Bar Customer (uncredited)