Uhm Hyo-seop

as Seonu Geun

as Ye Hyun-ho

as Kim Hae-jin

as Lee Chang-geun

as Won Doo-jung

as TVC President Kwon Hae-ryong

as Kang Yi-Moon

as Eun Byeong-ho

as Kim Kwi-Chang

as Shim Woo-Cheol

as Lee Sang-Yeob

as Dr. Oh

as Heo Jun

as Lee Seung-Hyoo

as Kim Ho-Joon

as Jin Myung-ho

as Politician Choi

as Prosecutor Hong Moo-Suk

as Hong Yeong

as Da-jung's father

as Min Baek-sang

as Chun Min-goo

as Han Jung-woo

as Park Mu-sol

as Oh Chul-min

as Uhm Tae-woong

as Yi Gae, Seung-yoo, Jong and Myeon's former teacher

as Shin Il-young