Pemeran Cross

Go Kyung Pyo (고경표)

as Kang In Kyu

Pemeran Utama

Jo Jae Hyun

as Go Jung Hoon

Pemeran Utama

Jeon So Min

as Go Ji In

Pemeran Utama

Uhm Ji Sung

as Kang In Gyu [Young]

Pemeran Pembantu

Kim Jong Gu

as Lee Sang Hoon

Pemeran Pembantu

Jin Yi Han

as Lee Joo Hyuk

Pemeran Pembantu

Yang Jin Sung

as Son Yeon Hee

Pemeran Pembantu

Jang Gwang

as Son Young Shik

Pemeran Pembantu

Kim Byung Chun

as Park Do Gyeom

Pemeran Pembantu

Ha Hoe Jung

as Baek Sung Ho

Pemeran Pembantu

Heo Sung Tae

as Kim Hyung Beom

Pemeran Pembantu

Yoo Seung Mok

as Baek Ji Nam

Pemeran Pembantu

Woo Hyun

as Noh Jong Il

Pemeran Pembantu

Seo Woo Jin

as Ha Kwan Woo

Pemeran Pembantu

Jung Do Won

as Man Seok

Pemeran Pembantu

Ha Min

as [Sunrim Hospital chief pediatrician]

Pemeran Pembantu

Shin Woo Gyum

Pemeran Pembantu

Lee Kyung Hoon

as Dong Hwan [Kim Chul Ho’s son](Ep. 8-9, 12)

Bintang Tamu

Ju Min Chan

as [Paramedic] (Ep. 12)

Bintang Tamu

Song Chang Gyu

as [Gambler] (Ep. 13-14)

Bintang Tamu

Lee Soo Min

as Eun Ji (Ep. 20)

Bintang Tamu

Jung Eun Pyo

as Kim Chul Ho

Bintang Tamu

Woo Gi Hoon

as No In Sung

Bintang Tamu

Yoo Soon Woong

as [Prisoner]

Bintang Tamu

Jeon Jeong Il

as [Head of National Inst. of Scientific Investigation]

Bintang Tamu

Kim Dae Hyun

as [Police officer]

Bintang Tamu

Park Sook Myung

as [Patient]

Bintang Tamu

Lee Soo In

as [Pathologist]

Bintang Tamu

Oh Jin Ha

as [Nurse in scrubs]

Bintang Tamu

Song Kyung Eui

Bintang Tamu

Kwon Hae Sung

Bintang Tamu

Jo Seung Yun

Bintang Tamu

Kim Dae Gon

Bintang Tamu

Cha Seung Ho

Bintang Tamu

Han Hye Ji

Bintang Tamu

Jeon Jin Ki

as Kang Dae Soo [In Kyu's father]

Bintang Tamu

Kang Ji Eun

as [Lawmaker No Ji Tae's wife]

Bintang Tamu

Shin Yeon Suk

as [Lee Gil Sang's wife]

Bintang Tamu

Shin Yong Hwi

Sutradara

Lee Jang Su

Executive Producer

Choi Min Suk

Screenwriter

Seo Ye Hee

Bit part