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