라미란

Park Mi-young

이성경

Cho Ji-hye

윤상현

Jo Ji-chul

Choi Sooyoung

Yang Jang-mi

염혜란

Chief Civil Service Officer

Wi Ha-jun

Woo-jun

주우재

Philip

강홍석

Yong-seok

Kim Do Wan

Chan-young

전석호

Detective Oh

조병규

Youngest Detective

Lee Jung-min

Chae Sook-hee

하정우

Motel Staff

성동일

Hwang Bok-hyun

이레

Young Ji-hye

안성봉

Big Man

백승환

Police Chief

소희정

Se-jin's Mother

Kim Min-kyung

Youth Division Detective

조혜주

Soo-bin

Jack Lyons

JD the Tatooist

아누팜 트리파티

Arabian Subordinate

Choi Byung-yoon

Club Staff

임예은

High School Student

안창환

Kang Sang-doo

Choi Hye-jin

Back Street Nostalgic Girl

한수현

Detective Kwak

Kim Han-sang

Past Citation Moderator

박세진

Girl Cop

임현성

Cyber Investigations Police

Park So-eun

Seo-jin

Chris Lyon

Carmelo

서석규

Truck Driver in Accident

안재홍

Happy Balloons Boss

Kim Jun

Chan-woong

설창희

Seo-jin's Doctor

Kim Tae-jun

Criminal Affairs Division Civil Petitioner

배유람

Helium Balloon High Schooler

옥자연

New Pacific Suicide Female Victim

Kim Min-kyung

Woman & Youth Division Detective

정두원

Flirty Man at Club

Kim Gwang-seop

Shinchon Sunglasses Man

Kim Chul-hwan

Helium Balloon High Schooler

Kim Ji-na

Former Female Taskforce

Song Ji-hyuk

Happy Balloon University Student

Lee Moon-bin

Guardhouse Conscripted Policeman

Gambhir Man Shrestha

Arab Owner of Big-sized Clothes Store

Jeon Gun-ik

Special Effects Supervisor

Hwang Jung-ho

Production Sound Mixer

No Ju-han

Still Photographer

Yoon Seong-min

Stunts

Lee Bong-woo

Set Decoration

Kwon Tae-ho

Stunts

Yoo Mi-jin

Stunts

Kang Moo-seong

Set Decoration

Eom Se-yong

Props

Cho Gi-hun

Key Grip

Kwon Ji-yoon

Assistant Director

Jeong Hye-ri

Digital Intermediate

Kim Dong-hyo

Lighting Artist

Jeon Young-wook

Still Photographer

Kang Gyeong-su

Stunts

김종성

Visual Effects

Ahn Seong-hyun

Producer

정다원

Director

정다원

Writer

Byun Bong-hyun

Executive Producer

김형주

Editor

Lee Jae-hak

Original Music Composer

Lee Sung-jae

Director of Photography

Ahn Seong-hyun

Adaptation

Son Min-jeong

Production Design

Lee Seung-yeop

Sound Supervisor

Heo Min-heoi

Executive Producer

Shin Ji-young

Costume Design

Park Min-hui

Makeup & Hair

Kim Young-rok

Sound Supervisor

Min So-yeon

Adaptation

이재윤

Original Story

Na Jun-o

Original Story

Lee Dong-hwa

Lighting Director

Lim Myeong-gyun

Executive Producer

이선영

Executive Producer's Assistant

김수진

Production Assistant

Lim Byeong-woo

Sound Director

Tae Wook

Props

허명행

Fight Choreographer

김수현

Art Direction

이병희

Stunts

배환

Stunts

심학수

Grip

송원종

Stunts