as Detective Yu

as Dr. Cho

as Park Young Il

as Lee Dong-hyeok

as Jae-yong

as Heo Sang-soo

as Kwak Bong-pil

as [Voice of Natsume]

as Yu-mi's father

as Jang Cheol-jung

as Byeong Tae / Choong Tae

as Jeong-kwon

as Seong-taek

as Jo Chang-Gil

as Kim Bong-Yong

as Master Subori

as Byun Sung-ki

as Booker

as co. president

as Nam Tae-bong

as Shim Jong-soo

as Choon-hwa's Lawyer

as Jung-ho's Father

as Nam Tae-Sick

as Yun Jong-kang

as Teacher (Blue Birds on the Desk)

as Jin-gook

as Sin Ho-cheol

as Choon Bae

as Mr. Byun

as Sung Ji-Ru

as Ahn Chang-jin

as Baek Dong-gu

as Park Sang-Moo

as Choon-sik

as Kang Cheol

as 이재수

as Dae-kil

as Detective Park

as Jang Seok-tae

as Sang-chul

as Deok-seop

as Yong-ho