character - Park Moo-Sung

character - Oh Wook-Hwan

character - Park Gyeong-bae

character - Ye Hyun-ho

character - Kim Hae-jin

character - Principal

character - Yang Geuntak

character - Lee Chang-geun

character - Won Doo-jung

character - TVC President Kwon Hae-ryong

character - Kang Yi-Moon

character - Eun Byeong-ho

character - Kim Kwi-Chang

character - Senior Secretary for Economic Affairs

character - Shim Woo-Cheol

character - Lee Sang-Yeob

character - Jang Tae-soo (south korea)

character - Dr. Oh

character - Park Jun Mo [So Yoon's father]

character - Heo Jun

character - Lee Seung-Hyoo

character - Park Moo-sung

character - Choi Suk-Moon

character - President Yoon

character - Kim Ho-Joon

character - Jin Myung-ho

character - Politician Choi

character - Prosecutor Hong Moo-Suk

character - Hong Yeong

character - Kim Jung-kyu

character - Go Jae-woong

character - Da-jung's father

character - Min Baek-sang

character - Kang Sung-wook

character - Chun Min-goo

character - Han Jung-woo

character - Choi Won-jae

character - Park Mu-sol

character - Oh Chul-min

character - Uhm Tae-woong

character - Kang

character - Police Officer Jang

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

character - Yum-jong

character - General Murata

character - Captain Kim

character - Shin Il-young

character - On-duty teacher

character - Police