Ju Jin-mo as I

Sim Yi-young as Girl

Lee Je-rak as Gangster

Son Min-seok as Other I

Bae Joong-sik as Detective Bae

Yang Seung-byeong as Detective Yang

Lee Deok-jin as Jin-goo

Kim Gi-yeon as Comic Shop Owner

Myeong Soon-mi as Flower Shop Owner

Son Jeong-hwan as Butcher Shop Owner

Kwon Nam-hee as Butcher Shop Owner

Jeon Jin-gi as Studio Owner

Go Yong-ha as Street Vendor

Yang Hwa-jeong as Woman

Choi Jin-yong as Middle Aged Executive

Kim Sang-kyun as Colleague

Jang Hyun-sung as Flower Shop Deliverer

Kim Jin-man as Loser