Alienoid

Ryu Jun-yeol

Muruk

Kim Woo-bin

Guard / Thunder

Kim Tae-ri

Ean

So Ji-sub

Moon Do-seok

Yum Jung-ah

Madam Black

Jo Woo-jin

Mr. Blue

Kim Eui-sung

Jajang / Doctor

Lee Hanee

Min Gaelin

Shin Jung-keun

Right Paw

Lee Si-hoon

Left Paw

Kim Dae-myung

Thunder (voice)

Choi Yu-ri

Young Ean

Kim Ki-cheon

Dog Turd

Yoon Byung-hee

Shaman Dosa / Alien Robot (voice)

Ji Gun-woo

Murderer

Yoon Kyung-ho

Sam-sik

Ok Ja-yeon

Fellow Doctor

Lee Hyun-gul

Shaman Dosa 2

Kim Hae-sook

Secret Temple Old Lady

You Chea-myung

Master Hyun

Jeon Yeo-been

Hong Eon-nyeon

Kim Min-seo

Min-sun

Kim Min-joon

Young Muruk

Lee Sun-hee

Mist-Shrouded Inn Owner

Baek Hyun-joo

Principal

Choi Kwang-je

Lord Choi

Shim Dal-gi

Bride

Jo Ha-i

Baby Ean

Kim Roo-ah

Baby Ean

Kim Kang-il

Mist-Shrouded Inn Old Man

Lee Dong-hee

Steward

Kim Chan-hyung

Thief

Park Moo-yum

Thief

Song Yeong-gwang

Thief

Lee Dong-yong

Broker

Jang Jun-whee

Government Official

Han Sung-soo

Prison Guard

Kim Jung-han

Fisherman

Kim Wang-do

Fisherman

Kim Se-hong

Blacksmith

Kim Man-ho

Cripple

Kim Min-che

Big Rahn Inn Owner

Park Kwang-jae

Prefectural Guard

Choi Cheong-an

Homeroom Teacher

Woo Yeon-seo

Police Officer Ean Reports To

Kim Woo-hyun

Jisan Hospital / Downtown Haava

Kim Min-hwan

Jisan Hospital / Downtown Haava

Kim Jae-hyun

Jisan Hospital / Downtown Haava

Kim Yoon-do

Jisan Hospital / Downtown Haava

Gim Jin-uk

Jisan Hospital / Downtown Haava

Kim Han-sol

Jisan Hospital / Downtown Haava

Moon Ba-rom

Jisan Hospital / Downtown Haava

Park Soo-chan

Jisan Hospital / Downtown Haava

Seong Baek-in

Jisan Hospital / Downtown Haava

Ahn Jae-won

Jisan Hospital / Downtown Haava

Lee Tae-hwan

Jisan Hospital / Downtown Haava

Lee Bo-yeong

Jisan Hospital / Downtown Haava

Yoon Sang-won

Jisan Hospital / Downtown Haava

Son Joo-hwan

Jisan Hospital / Downtown Haava

Kim Dan-bi

Jisan Hospital / Downtown Haava

Ji Han-ah

Jisan Hospital / Downtown Haava

Kim Bit-na-rae

Jisan Hospital / Downtown Haava

Kim Se-jeong

Jisan Hospital / Downtown Haava

Min Jeong-eun

Jisan Hospital / Downtown Haava

Bae Yoon-min

Jisan Hospital / Downtown Haava

Jeong Ji-won

Jisan Hospital / Downtown Haava

Ji Sung-eun

Jisan Hospital / Downtown Haava

Jeon Ah-hee

Jisan Hospital / Downtown Haava

Han Soo-a

Jisan Hospital / Downtown Haava

Ko Na-young

Jisan Hospital / Downtown Haava

Park Si-yeon

Jisan Hospital / Downtown Haava

Song Ji-hyuk

Jisan Hospital / Downtown Haava

Woo Sang-ki

Big Rahn Inn Staff

Han Seung-yoon

Groom

Park In-gyoo

Trumpeter

Kang Jeong-min

Porter

Lee Hee-gyoo

Porter

Byun Jin-su

Lord Choi's Steward

Yang Mi-seon

Lord Choi's Wife

Lee Byung-wook

Wedding Ceremony / Musician

Jang Gyoo-sik

Wedding Ceremony / Musician

Jeon Kyeong-hee

Wedding Ceremony / Musician

Kang Choon-seon

Wedding Ceremony / Musician

Kang Cha-wook

Wedding Ceremony / Musician

Kim Moon-jo

Wedding Ceremony / Musician

Jo Han-gil

Wedding Ceremony / Musician

Ryoo Gwan-hoo

Wedding Ceremony / Musician

Kim Bang-sun

Wedding Assistant

Jeon Eun-mi

Wedding Assistant

Jeong Min-gyoo

Kid on a Bike

Ko Yoo-joon

Drug Offender

Jeon Jin-gi

Section Chief

Lee Won-min

Moon Do-seok's Fellow Detective

Seo Suk-kyu

Moon Do-seok's Fellow Detective

Han Dong-hoon

Moon Do-seok's Fellow Detective

Nam Ji-woo

Lawyer

Park Rae-yeong

Bus Passenger

Im Bo-hyeon

Bus Passenger

Im Woo-jin

Bus Passenger

Shin Sae-byeok

Bus Passenger

Kim Ji-seon

Bus Passenger

Kim Ye-joo

Bus Passenger

Lee Joo-hyeok

Bus Passenger

Ha Si-yeon

Citizen at a Bus Stop

Cha Young-ju

Driver Trapped in a Car

Lee Soo-jin

Announcer (voice)

Kim Soo-hyeon

Reporter

Hyeon Oh-bong

Secret Temple Dosa

Kim Seung-joon

Secret Temple Dosa

Park Keon-ryul

Secret Temple Dosa

Seon In-ho

Secret Temple Dosa

Lee Dong-seok

Secret Temple Dosa

Jo Woon-seong

Secret Temple Dosa

Jo Jin-kyul

Secret Temple Dosa

Han Ji-hoon

Secret Temple Dosa

Hwang In-jik

Secret Temple Dosa

Lee Joon-chang

Secret Temple Dosa

Lee Soo-hyung

Secret Temple Dosa

Hwang Jae-woon

Secret Temple Dosa

Lim Jae-min

Secret Temple Dosa

Kang Gi-won

Secret Temple Dosa

Jeong Ye-seo

Gisaeng

Min Sae-hee

Gisaeng

Oh Chae-eun

Gisaeng

Lee Ha-joo

Gisaeng

Yoo Dok-hyun

Drug Offender's Accomplice

Lee Ga-hyeon

Driver with a Cast

Kim Hyeon-sik

Alien-Restraining Police Officer

Park Jong-beom

Tentacle-Controlled Police Officer

Lee Seop-jeong

Responding Police Officer

Kang Han-byeol

Responding Police Officer

Kim Solomon

Responding Police Officer

Jang Seok-joon

Responding Police Officer

Jeon Won-pyo

Guard / Thunder Stand-In

Kim Sun-hyuk

Police Officer Ean Reports To

Hwang Jae-jin

Assistant Director

Choi Dong-hoon

Director

Choi Dong-hoon

Screenplay

Lee Ki-cheol

Screenplay

Yang Eun-jeong

Line Producer

Choi Dong-hoon

Producer

Ahn Soo-hyun

Producer

Kang Ho-sung

Executive Producer

Kim Sung-min

Producer

Han Ji-wook

Line Producer

Seo Soo-seok

Line Producer

Lee Jung-im

Line Producer