Sung Ji-ru

as Detective Yu

as Dr. Cho

as Park Young Il

as Lee Dong-hyeok

as Heo Sang-soo

as Jae-yong

as [Voice of Natsume]

as Kwak Bong-pil

as Yu-mi's father

as Kim Man-Sik

as Jang Cheol-jung

as Byeong Tae / Choong Tae

as Jeong-kwon

as Seong-taek

as Jo Chang-Gil

as Master Subori

as Kim Bong-Yong

as Byun Sung-ki

as Booker

as Nam Tae-bong

as co. president

as Shim Jong-soo

as Choon-hwa's Lawyer

as Nam Tae-Sick

as Jung-ho's Father

as Yun Jong-kang

as Teacher (Blue Birds on the Desk)

as Sin Ho-cheol

as Jin-gook

as Mr. Byun

as Sung Ji-Ru

as Choon Bae

as Ahn Chang-jin

as Baek Dong-gu

as Park Sang-Moo

as Kang Cheol

as 이재수

as Choon-sik

as Detective Park

as Sang-chul

as Jang Seok-tae

as Man-su

as Dae-kil

as Deok-seop

as Yong-ho

as Tae Jeong