as Classmate
as Ki-tae
as Lee Hong-dae
as Jong-soo
as Jung-ho
as Seong-min
as 김경철
as Kwang Hyun
as Bang Se-Ho
as Bang Sung-jae
as Dr. Park Min-jae
as Shin Ho-Bang
as Kang Min
as Yong-Pal
as Im Byung-Min
as CEO Ji
as Kang Nam-il
as Park Soo-bong
as Yoo Han Cheol
as Jang Seung-cheol
as Kim Joong-ho
as Section Chief Heo
as Section Chief Ahn
as Park Dong-cheol
as Oh Woo-sik / "Tinker Bell"
as Go Joong-do
as Heo Taek Woo
as Secretary Lee
as Wal
as Jo Yong-gi
as Astronaut
as Tae-soo
as Yoon Shin-Joong
