Kim Eui-sung

as Yong-suk

as Jajang / Doctor

as Jajang / Doctor

as Clergy Dean

as Police Superintendent

as Chairman

as Detective Do

as Oh Gook-sang

as Park Young-jin

as Kim Eung-su

as Shin

as Director Park

as Self

as Jang Sung-cheol

as Masayoshi Son

as Self - Host

as Self

as Sanung

as NIS Director Choi

as Lee Wan-ik

as Choi Jo Eun [Director of Korea University Hospital]

as Hwang Won-hyeong

as Oh Sung-moo

as Jung Mong-ju