동창생

Choi Seung-hyun

Ri Myung-hoon / Kang Dae-ho

Han Ye-ri

Lee Hye-in

Yoon Je-moon

Cha Jeong-min

조성하

Moon Sang-cheol

Kim You-jung

Ri Hye-in

Lee Joo-sil

North Korean Spy

정호빈

Big Dipper

김선경

North Korean Spy

Kim Min-jae

North Korean Liaison

Park Sung-woong

Myung-hoon's Father

Kang Han-na

Waffle Store Part-time Worker

Yoo Jae-myung

Kim Sun-myung

Lee Shin-seong

Dong-seop

엄태구

Troubled Kid

박길수

Lottery Store Man

Hwang Yeon-hui

Teacher