Choi Seung-hyun

Ri Myung-hoon / Kang Dae-ho

Han Yeri

Lee Hye-in

Yoon Je-moon

Cha Jeong-min

Cho Seong-ha

Moon Sang-cheol

Kim You-jung

Ri Hye-in

Lee Joo-sil

North Korean Spy

Jung Ho-bin

Big Dipper

Kim Sun-kyung

North Korean Spy

Kim Min-jae

North Korean Liaison

Park Sung-woong

Myung-hoon's Father

Kang Hanna

Waffle Store Part-time Worker

You Chea-myung

Kim Sun-myung

Lee Shin-seong

Dong-seop

Um Tae-goo

Troubled Kid

Park Gil-su

Lottery Store Man

Hwang Yeon-hui

Teacher

Park Kyung-man

Glasses' Henchman