Seo Sang-won

as Choi Chan-gu

as Yoo Jin-tae

as Sun-ah's father

as Park Jin-guk

as A-young's husband

as Cho

as Governor

as Yoon Tae-hwa

as Doctor Kang [Soo Jin's father]

as Won Tae-kyeong

as Yoo Sun-Il

as Director Ji

as Choi Jung Yun [Pilot]

as Jin-ju's father

as Go Jin-beom

as Congressman Park

as Professor Bong

as Sung-hwan