Pemeran Doom at Your Service

Park Bo Young (박보영)

as Tak Dong Gyeong

Pemeran Utama

Seo In Guk (서인국)

as Kim Sa Ram / Myeol Mang

Pemeran Utama

Lee Soo Hyuk (이수혁)

as Cha Ju Ik

Pemeran Utama

Kang Tae Oh (김윤환)

as Lee Hyeon Gyu

Pemeran Utama

Shin Do Hyun

as Na Ji Na

Pemeran Utama

Jung Ji So

as So Nyeo Sin [Deity]

Pemeran Pembantu

Song Joo Hee

as Cho Ye Ji [Editorial team chief]

Pemeran Pembantu

Choi So Yoon

as Kim Da In [Editorial team member]

Pemeran Pembantu

Park Tae In

as Park Jeong Min [Editorial team new recruit]

Pemeran Pembantu

Song Jin Woo

as Park Chang Sin [Life Story CEO]

Pemeran Pembantu

Nam Da Reum (남다름)

as Park Yeong / Young Prince [Writer]

Pemeran Pembantu

Shin Soo Hyun

as [Nurse] (Ep. 1)

Bintang Tamu

Lee Dong Gyu (이동규)

as [YBN announcer] (Ep. 1)

Bintang Tamu

Kim Hyo Myung

as [Subway pervert] (Ep. 1)

Bintang Tamu

Kang Jung Yun

as [Hospital lobby woman] (Ep. 1)

Bintang Tamu

Hong In

as [Stabbing suspect] (Ep. 1-2, 4)

Bintang Tamu

Park Jae Joon

as Tak Seon Gyeong [Young] (Ep. 1, 3, 7)

Bintang Tamu

Lee Ye Seo

as Tak Dong Gyeong [Young] (Ep. 1, 3, 7-8, 10)

Bintang Tamu

Kim Ji Su

as [Nurse] (Ep. 1, 6)

Bintang Tamu

Oh Nan Ju

as [Shaman] (Ep. 2)

Bintang Tamu

Ryu Yeon Seok

as [Photographer] (Ep. 2)

Bintang Tamu

Yoon Tae Soo

as [Restaurant waiter] (Ep. 2)

Bintang Tamu

Kim Ji Suk (김지석)

as Cho Dae Han [Dong Gyeong’s ex-boyfriend] (Ep. 2-3)

Bintang Tamu

Heo Jae Ho

as "Jijo King" [Writer] (Ep. 2-3, 7, 10)

Bintang Tamu

Lee Ja Ryoung

as [Doomsday pamphlet woman] (Ep. 2, 4)

Bintang Tamu

Son Woo Hyun

as "Siberia" [Writer] (Ep. 3)

Bintang Tamu

Park Min Young

as [Doctor] (Ep. 3)

Bintang Tamu

Han Ye Ri

as [Patient] (Ep. 3, 6)

Bintang Tamu

Yoon Bok Sung

as [Judge] (Ep. 4)

Bintang Tamu

Kim Seoung Woo

as [Passerby] (Ep. 4)

Bintang Tamu

Uhm Ja Yoon

as [Prison officer] (Ep. 4)

Bintang Tamu

Yeon Je Hun

as (Ep. 4-5)

Bintang Tamu

Im Yong Soon

as [Wedding celebration man] (Ep. 5)

Bintang Tamu

Yoo Sung Yeol

as [Alumnus] (Ep. 6)

Bintang Tamu

Jang Young Hyun

as [Alumnus] (Ep. 6)

Bintang Tamu

Lee Jae Eun

as [Patient] (Ep. 6, 11-12, 20)

Bintang Tamu

Park Sang Hyun

as [Toshino Publishing staff] (Ep. 7)

Bintang Tamu

Oh Yeon Ah

as "Dalgona" [Writer] (Ep. 7-8, 10, 12)

Bintang Tamu

Je Seung Hyun

as [Employee] (Ep. 8)

Bintang Tamu

Richard Kim

as [Teacher] (Ep. 9)

Bintang Tamu

Park Bo Eun

as [Shoes saleswoman] (Ep. 9)

Bintang Tamu

Seon Ah Rin

as [Handbag customer] (Ep. 9)

Bintang Tamu

Park Seung Joon

as [Graduating student] (Ep. 9)

Bintang Tamu

Lee Hwang Ui

as [Random guy talking to Myul Mang about flowers] (Ep. 9)

Bintang Tamu

Lee Si Young

as [Medical receptionist] (Ep. 11)

Bintang Tamu

Shin Moon Sung

as [Arsonist] (Ep. 12)

Bintang Tamu

Jo Wan Ki

as [Murderer] (Ep. 12)

Bintang Tamu

Choi Moon Kyung

as [Hair stylist] (Ep. 13)

Bintang Tamu

Jeon Ah Hee

as [Pregnant patient] (Ep. 16)

Bintang Tamu

Cho Myeong Gyun

as [Idol trainee]

Bintang Tamu

Kwon Young Il

Sutradara

Im Me A Ri

Screenwriter