Pemeran While You Were Sleeping

Bae Suzy (배수지)

as Nam Hong Ju

Pemeran Utama

Lee Jong Suk (이종석)

as Jung Jae Chan

Pemeran Utama

Lee Sang Yeob

as Lee Yu Beom

Pemeran Utama

Jung Hae In (정해인)

as Han U Tak

Pemeran Utama

Shin Jae Ha (신재하)

as Jung Seung Won

Pemeran Pembantu

Kim Won Hae

as Choi Dam Dong [Investigator]

Pemeran Pembantu

Park Jin Joo (박진주)

as Moon Hyang Mi

Pemeran Pembantu

Lee Ki Young

as Park Dae Young

Pemeran Pembantu

Go Sung Hee

as Sin Hui Min [Prosecutor]

Pemeran Pembantu

Bae Hae Seon

as Son Woo Joo

Pemeran Pembantu

Min Sung Wook

as Lee Ji Gwang [Prosecutor]

Pemeran Pembantu

Oh Eui Shik

as Bong Du Hyeon [Reporter]

Pemeran Pembantu

Lee Yoo Joon

as O Gyeong Han [Police officer]

Pemeran Pembantu

Pyo Ye Jin (표예진)

as Cha Yeo Jung [Police officer]

Pemeran Pembantu

Nam Da Reum (남다름)

as Jung Jae Chan [Young]

Pemeran Pembantu

Shin Yi Joon

as Nam Hong Ju [Young]

Pemeran Pembantu

Lee Jae Kyoon

as Choi Dam Dong [Police officer]

Pemeran Pembantu

Im Ga Young

as [High school student] (Ep. 1)

Bintang Tamu

Shim Wan Joon

as [Man with mustache] (Ep. 1)

Bintang Tamu

Yeo Hoe Hyun

as Lee Yu Beom [Young] (Ep. 1-2)

Bintang Tamu

Kim Do Hye

as [Kindergartner] (Ep. 3)

Bintang Tamu

Hong Kyung (홍경)

as Choi Uk Hyeon [Deserter] (Ep. 3, 6, 29, 31)

Bintang Tamu

Park Young Soo

as [Car salesman] (Ep. 6)

Bintang Tamu

Kang Ki Young (강기영)

as Kang Dae Hui [Fried chicken restaurant owner] (Ep. 9-13)

Bintang Tamu

Kang Shin Hyo

as Gyu Won (Ep. 10)

Bintang Tamu

Shin Eun Jung

as Kim Ju Yeong [Chief judge] (Ep. 11-12)

Bintang Tamu

Cha Jung Won

as Yoo Su Gyeong [Archer] (Ep. 13-14, 16, 20)

Bintang Tamu

Baek Sung Hyun

as Do Hak Yeong [Cable man] (Ep. 13-20)

Bintang Tamu

Yoon Kyun Sang (윤균상)

as [Lovers] (Ep. 21)

Bintang Tamu

Lee Sung Kyung (이성경)

as [Lovey-dovey couple] (Ep. 21)

Bintang Tamu

Lee Ga Ryeong

as [Hospital coordinator] (Ep. 21)

Bintang Tamu

Ryu Tae Ho

as Moon Tae Min [Professor] (Ep. 21-24)

Bintang Tamu

Woo Sung Min

as [Kindergartner] (Ep. 22)

Bintang Tamu

Jo Yeon Ho

as Im Se Yeong [Witness] (Ep. 22-23)

Bintang Tamu

Lee Ju Seok

as [Presiding judge] (Ep. 23-24)

Bintang Tamu

Hong Hee Won

as [Doctor expert witness] (Ep. 23-24)

Bintang Tamu

Lee Jae Won

as Cho Yun Pyo [Phone buyer] (Ep. 25-28)

Bintang Tamu

Yoon Yong Hyun

as Park Dae Yeong [Phone thief] (Ep. 25-26)

Bintang Tamu

Lee Na Ra

as Ha Ju An [IV drip serial killer] (Ep. 28-30)

Bintang Tamu

Son Byung Ho

as President Ko (Ep. 29-31)

Bintang Tamu

Im Jae Geun

as [Reporter]

Bintang Tamu

Ham Jin Sung

as [Court inspector]

Bintang Tamu

Min Chae Eun

Bintang Tamu

Park Se Jun

Composer

Oh Choong Hwan

Sutradara

Park Soo Jin

Sutradara

Park Hye Ryun

Screenwriter