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