Pemeran Dr. Romantic

Han Seok Kyu

as Teacher Kim / Dr. Bu Yong Ju / Kim Sa Bu

Pemeran Utama

Yoo Yeon Seok (유연석)

as Kang Dong Ju

Pemeran Utama

Seo Hyun Jin (서현진)

as Yun Seo Jeong

Pemeran Utama

Choi Jin Ho

as Do Yun Wan

Pemeran Pembantu

Yang Se Jong (양세종)

as Do In Beom

Pemeran Pembantu

Jang Hyuk Jin

as Song Hyeon Cheol

Pemeran Pembantu

Jin Kyung

as O Myeong Sim

Pemeran Pembantu

Im Won Hee

as Jang Gi Tae

Pemeran Pembantu

Kim Min Jae (김민재)

as Park Eun Tak

Pemeran Pembantu

Byun Woo Min

as Nam Do Il

Pemeran Pembantu

Kim Hong Pa

as Yoo Un Yeong

Pemeran Pembantu

Kim Bo Jung

as Nurse Um [Doldam Hospital nurse]

Pemeran Pembantu

Yoon Na Moo

as Jung In Su

Pemeran Pembantu

Seo Eun Soo

as Woo Yeon Hwa

Pemeran Pembantu

Joo Hyun

as Sin Myeong Ho

Pemeran Pembantu

Kim Hye Eun

as Sin Hyeong Jeong

Pemeran Pembantu

Jo Ah Ra

as [Nurse]

Pemeran Pembantu

Gu Da Song

as [Student] (Ep. 1)

Bintang Tamu

Ahn Sang Woo

as Professor Park (Ep. 1)

Bintang Tamu

Moon Ji In

as Kim A Ra

Bintang Tamu

Tae In Ho

as Moon Tae Hwa

Bintang Tamu

Bae Myung Jin

as Nurse Nam (Ep. 1, 20)

Bintang Tamu

Shin Yi Joon

as Yun Seo Jeong [Young] (Ep. 2, 6)

Bintang Tamu

Park Ji Yun

as In Suk I (Ep. 2, 12)

Bintang Tamu

Lee Hyo Je

as Do In Beom [Young] (Ep. 5)

Bintang Tamu

Ri Min

as [Truck driver involved in an accident] (Ep. 5)

Bintang Tamu

Kim Hye Joon (김혜준)

as Jang Hyeon Ju

Bintang Tamu

Choi Gyo Shik

as [Taxi driver] (Ep. 6)

Bintang Tamu

Lee Chul Min

as Kang Seung Ho

Bintang Tamu

Yoo Eun Mi

as A Rin

Bintang Tamu

Kim Jun Won

as Auditor Choi (Ep. 8-10)

Bintang Tamu

Lee Myung Haeng

as Choi Gyeong Yeong

Bintang Tamu

Hwang Chan Sung

as Yeong Gyun

Bintang Tamu

Shin Seung Hwan

as Jung Jin Ho

Bintang Tamu

Lee Kang Wook

as [Drunken driver] (Ep. 9-11)

Bintang Tamu

Kim Dan Woo

as Choi Eun Seol (Ep. 10)

Bintang Tamu

Park Seung Tae

as [Car crash victim] (Ep. 10)

Bintang Tamu

Kang Eui Shik

as Park Ju Hyeok

Bintang Tamu

Park Young Soo

as [Healthcare center employee] (Ep. 13)

Bintang Tamu

Cha Jung Won

as Su Jeong

Bintang Tamu

Yoon Sung Woo

as [M.E.R.S. infected family] (Ep. 13-14)

Bintang Tamu

Hong Seo Joon

as [M.E.R.S. infected family] (Ep. 13-14)

Bintang Tamu

Park Doo Shik

as O Seong Jae

Bintang Tamu

Kim Min Sang

as O Seong Jae [Reporter] (Ep. 16-19)

Bintang Tamu

Lee Jae Woo

as An U Yeol

Bintang Tamu

Jo Wan Ki

as Dr. Lee (Ep. 20)

Bintang Tamu

Kim Hye Soo (김혜수)

as Lee Yeong Jo (Ep. 20)

Bintang Tamu

Lee Chae Eun

as Ji Min Jeong

Bintang Tamu

Jung Kang Hee

as Jin Sang

Bintang Tamu

Yoon Chan Young (윤찬영)

as Kang Dong Ju [Young]

Bintang Tamu

Ha Young Jin

as [Gangster]

Bintang Tamu

Jung Ho

as [Intern #1]

Bintang Tamu

Shin Dong Hoon

as [Bodyguard]

Bintang Tamu

Song Kyung Eui

as [Helicopter doctor]

Bintang Tamu

Lee Jae Wook

as [Car accident agent]

Bintang Tamu

Son Young Soon

as [Traffic accident victim family]

Bintang Tamu

Yoon Jong Won

as [Agent]

Bintang Tamu

Jo Yi Hyun

Bintang Tamu

Lee Gil Bok

Cinematography

Huang Sae Joon

Composer

Koo Ja Wan

Composer

Yoo In Shik

Sutradara

Park Soo Jin

Sutradara

Kang Eun Kyung

Screenwriter