as Choi Han-gyu
as Kim Je-seok
as Kang Sang-maan
as Jung-su
as Department Head Nam
as Kim Seok Ju
as Oh Tae-suk
as Lee Young-Joon
as Kim Seok-joon
as Chairman Kim Nam-yoon
as President Han
as Baek Jang -ho
as Teacher Baek
as Kim In-su
as Jong-goo
as Byun Dae-sung
as Seo Dae-Seok
as Chae Byung-Hak
as Cha Jae-hwan
as Yoon Myung-hoon
as Park Jin-suk
as Kang Dong-hyun
as Kim Geon-pyo
as Jang Tae-joon
as Ji Kyung-hwan
as Oh Yeong-geun
as Professor Kim Jin-woo
as Noh Joon-suk
as Bang Ki-ho
as Hwang Dong-woo
as Park Jae-hyun
as Professor Yoon
as Chang-sik
as Park Jin-kwon
as Kim Yongchun
as Manager Jin
as Cha Gi-baek
as Lee Hoe-young
as Yoon Soo-ha (2006)
as Chae Dae-pil
as Lee Sun-Moon
as Kim Jae-man
as Han Pan-seok
as Jang Kil-Taek
