While You Were Sleeping

Nam Hong-joo

Jeong Jae-chan

Han Woo-tak

Lee Yoo-beom

Yoon Moon-seon

Jeong Seung-won

Choi Dam-dong

Moon Hyang-mi

Park Dae-young

Shin Hee-min

Son Woo-joo

Lee Ji-gwang

Bong Doo-hyeon

Oh Gyeong-han

Min Jeong-hee

Go Pil-sook

Cha Yeo-jeong

Myeong Dae-goo

Young Jeong Jae-chan

Young Nam Hong-joo

Choi Dam-dong

Young Jeong Seung-won / Chan-ho

Kang Cho Hee [Dae Hee's sister / Barista]

Park So Yoon