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