Pemeran Heartbeat

Ok Taec Yeon (옥택연)

as Seon Woo Hyeol

Pemeran Utama

Won Ji An

as Joo In Hae

Pemeran Utama

Yoon So Hui

as Na Hae Won / Yoon Hae Sun

Pemeran Utama

Park Kang Hyun

as Shin Do Shik

Pemeran Utama

Ko Kyu Pil

as Park Dong Seop [Vampire]

Pemeran Pembantu

Yoon Byung Hee

as Lee Sang Hae [Vampire]

Pemeran Pembantu

Seung You

as Rose [Vampire]

Pemeran Pembantu

Baek Seo Hoo

as Ri Man Hwi [Vampire]

Pemeran Pembantu

Baek Hyeon Ju

as Ko Ki Sook [Butcher]

Pemeran Pembantu

Jung Yeong Gi

as Kim Gwang Ok [Tailor]

Pemeran Pembantu

Ham Tae In

as Secretary Koo [Do Shik's secretary]

Pemeran Pembantu

Kim In Kwon

as Ko Yang Nam / "Cat Man"

Pemeran Pembantu

Kim Do Geon

as Kim Min Jae

Pemeran Pembantu

Park Chul Min

as Butler Joo (Ep. 1)

Bintang Tamu

Baek Kil Sung

as Choi Joong Chan [Attorney] (Ep. 1)

Bintang Tamu

Kim Mi Ran

as [Na Rae's mother] (Ep. 1)

Bintang Tamu

Go Yoon Bin

as [Shaded Oasis patron] (Ep. 1)

Bintang Tamu

Ko Gyeong Man

as [Shaded Oasis patron] (Ep. 1)

Bintang Tamu

Chae Yoo Hee

as [Shaded Oasis patron] (Ep. 1)

Bintang Tamu

Kim Tae Eon

as [Shaded Oasis patron] (Ep. 1)

Bintang Tamu

Kang Gu Ha

as [Detective] (Ep. 1, 3)

Bintang Tamu

Kim Hyun Jun

as [Shaman landlord] (Ep. 1-3)

Bintang Tamu

Lee So E

as Na Rae (Ep. 1, 5)

Bintang Tamu

Song Young Jae

as [Principal] (Ep. 1, 4-6)

Bintang Tamu

Park In Hwan

as [Snack shop landlord] (Ep. 1, 6, 9)

Bintang Tamu

Kim Ba Da

as Nobleman Shin (Ep. 1, 4, 11)

Bintang Tamu

Kang Suk Won

as [Doctor] (Ep. 2)

Bintang Tamu

Lee Jung Hyun

as [Construction site manager] (Ep. 2)

Bintang Tamu

Kang Hak Soo

as [Employment Agency Owner] (Ep. 3)

Bintang Tamu

Jo Si Yeon

as Joo In Hae [Young] (Ep. 3)

Bintang Tamu

Seo Hyun Chul

as Joo Dong Il [In Hae's father] (Ep. 3, 10, 13-16)

Bintang Tamu

Lee Shi Hoo

as [Do Shik's father] (Ep. 4)

Bintang Tamu

Choi Yoon Woo

as Shin Do Shik [Young] (Ep. 4)

Bintang Tamu

Nam Dong Ha

as [Gongcheon High School teacher] (Ep. 4)

Bintang Tamu

Park Byung Wook

as Kong Young Soo [Gongcheon High School Security] (Ep. 4)

Bintang Tamu

Jang Yeon Ik

as [Gongcheon High School custodian] (Ep. 4)

Bintang Tamu

Jin Sung Min

as [Gongcheon High School teacher] (Ep. 4)

Bintang Tamu

Lee Yoon Sang

as [Cardiologist] (Ep. 4, 9)

Bintang Tamu

Kim Yoon Seol

as [Gongcheon High School student] (Ep. 5)

Bintang Tamu

Oh Jin Kyoung

as [Gongcheon High School student] (Ep. 5)

Bintang Tamu

Maeng Bong Hak

as [Job interviewer] (Ep. 6)

Bintang Tamu

Kim Hye Jung

as [Landlord] (Ep. 6)

Bintang Tamu

Lee Eun Ju

as [Bedding store employee] (Ep. 7)

Bintang Tamu

Min Woo Gi

as [Flower delivery man] (Ep. 8)

Bintang Tamu

Jang Seo Yeon

as Hwang So Yi [Shaded Oasis Guesthouse 201 Guest] (Ep. 8-13, 16)

Bintang Tamu

Jun Joon Woo

as [Cleanup crew member] (Ep. 9)

Bintang Tamu

Choi Dae Chul

as [Shaded Oasis Guesthouse 202 Guest] (Ep. 9)

Bintang Tamu

Tak I On

as [So Yi's ex-boyfriend] (Ep. 12-13)

Bintang Tamu

Shin Hee Gook

as [Imprisoned man] (Ep. 13)

Bintang Tamu

Lee Jung Joo

as [Hae Won's attorney] (Ep. 14)

Bintang Tamu

Ji Sung Geun

as [Resident] (Ep. 15)

Bintang Tamu

Song Da Kyung

as [Interviewer] (Ep. 16)

Bintang Tamu

Park Soo Jin

as [In Hae's mother]

Bintang Tamu

Heo Jin

as [Cellphone service staff] (Ep. 15)

Bintang Tamu

Jung Hee Young

as [Resident] (Ep. 15)

Bintang Tamu

Lee Yu Ju

as [Bank teller]

Bintang Tamu

Kim Do Ah

Bintang Tamu

Seo Jun

as Hyang Geun

Bintang Tamu

Lee Min Soo

Sutradara

Lee Hyun Seok

Sutradara

Lee Jung Mi

Producer

Hwang Eui Kyung

Producer

Park Gi Ho

Producing Director

Jung Seung Joo

Screenwriter

Kim Ha Na

Screenwriter