Ma Dong-Seok

Ba-woo

Seohyun

Sharon

Lee Da-wit

Kim Gun

경수진

Jung-won

Jung Zi-so

Eun-seo

Choi Gwang-il

Father Marco

송요셉

Middle-Aged Man

박옥출

Auntie

한기중

Chief of Police

이다일

Mysterious Man

조혜연

Female Guest

윤지원

Su-jin

전세원

Female Patient

남미정

Landlady

박기선

Landlord

차우진

CCTV Security Guy

김소양

CCTV Security Girl

김도건

Delivery Driver

서문호

Male Nurse 1

이선호

Male Nurse 2

Lee Sung-woo

Basement Demon 1

이재석

Basement Demon 2

카를라 페르난다 아빌라 에스코베도

Hideout Informant

이태영

Thumbs-Up Guy

이소윤

Orphanage Child 1

김시우

Orphanage Child 2

김우빈

Orphanage Child 3

정하빈

Orphanage Child 4 / Additional Children Voices 4 (voice)

장우준

Orphanage Child 5

임용순

Pastor

나경철

Male Announcer (voice)

이승민

Female Announcer 1 (voice)

김선영

Female Announcer 2 (voice)

이시형

Hospital Security Guard

이원행

Hospital Patient 1 / Hallway Worshipper 1

정윤성

Hospital Patient 2

류성철

Hospital Patient 3

노재훈

Hospital Patient 4

김지영

Hospital Patient 5

김산성

Hospital Patient 6

최홍락

Hospital Patient 7

정경숙

Sister Angela

이재이

Young Ba-woo

김예겸

Young Joseph

이설이

Young Sister Catalina

김성동

Young Father Marco

Mitch Craig

Junkie 1

이영준

Junkie 2

안효훈

Junkie 3

홍지우

Junkie 4

리에

Junkie 5

김기수

Junkie 6

선우

Junkie 7

임서아

Junkie 8

이서경

Junkie 9

하유리

Junkie 10

김정길

Junkie 11

선승민

Junkie 12

도유리

Junkie 13

이정우

Junkie 14

김지선

Junkie 15

이지영

Junkie 16

이동규

Junkie 17

육예주

Junkie 18

조정빈

Junkie 19

조유진

Junkie 20

송희주

Junkie 21

최이재

Junkie 22

이다령

Junkie 23

이현진

Junkie 24

권혜원

Junkie 25

송지훈

Junkie 26

서우희

Junkie 27

박은철

Junkie 28

황태희

Junkie 29

신지인

Mentally Ill Person / Possessed Person

김수우

Paramedic

이건구

Hideout Demon 1

맹승영

Hideout Demon 2

권지훈

Hideout Worshipper 1

김석진

Hideout Worshipper 2

박건희

Hideout Worshipper 3

조승연

Hideout Worshipper 4

황영윤

Hideout Worshipper 5

윤기현

Hideout Worshipper 6

정신영

Hideout Worshipper 7

박주원

Pathologist's Assistant / Basement Worshipper 4

문경린

Pathologist / Hallway Worshipper 3

김진우

Hallway Worshipper 2

박승진

Hallway Worshipper 4

김예성

Hallway Worshipper 5 / Basement Worshipper 2

민선기

Spying Worshipper

지륜

Basement Worshipper 1

Kim Tae Yoon

Basement Worshipper 5

김우람

Basement Worshipper 6

Yoon Jin-yul

Chapel Worshipper 1

현승환

Chapel Worshipper 2

Nandin-Erdene Boldbaatar

Chapel Worshipper 3 / Basement Worshipper 3

박현준

Chapel Worshipper 4

김도훈

Chapel Worshipper 5

정아준

Chapel Worshipper 6

유성곤

Chapel Worshipper 7

조창근

Chapel Worshipper 8

양남욱

Chapel Worshipper 9

박종민

Chapel Worshipper 10

황대현

Joseph

조현겸

Monstrous Entity (voice)

강성욱

Eun-seo's Demon Form (voice)

최진호

Moloch (voice)

김남현

Additional Male Voices 1 (voice)

황상조

Additional Male Voices 2 (voice)

왕희정

Additional Male Voices 3 (voice)

염승철

Additional Male Voices 4 (voice)

안정호

Additional Male Voices 5 (voice)

문은지

Additional Female Voices 1 (voice)

박소현

Additional Female Voices 2 (voice)

최재은

Additional Female Voices 3 (voice)

이재빈

Additional Children Voices 1 (voice)

이주원

Additional Children Voices 2 (voice)

송재윤

Additional Children Voices 3 (voice)

류승수

Detective Choi

Jeon Ik-ryoung

Sister Catalina