Full cast of SKY Castle

Yum Jung-ah

Han Seo-jin

20 episodes

Yoon Se-a

Noh Seung-hye

20 episodes

Lee Tae-ran

Lee Soo-imm

20 episodes

Kim Seo-hyung

Kim Joo-young

20 episodes

Oh Na-ra

Jin Jin-hee

20 episodes

Jung Jun-ho

Kang Joon-sang

20 episodes

Choi Won-young

Hwang Chi-young

20 episodes

Kim Byong-chul

Cha Min-hyuk

20 episodes

Kim Bo-ra

Kim Hye-na

20 episodes

Kim Hye-yoon

Kang Ye-seo

20 episodes

Lee Ji-won

Kang Ye-bin

20 episodes

Kang Chan-hee

Hwang Woo-joo

20 episodes

Kim Dong-hee

Cha Seo-jun

20 episodes

Cho Byeong-kyu

Cha Gi-jun

20 episodes

Lee Hyun-jin

Cho Tae-jun

20 episodes

Jo Jae-yun

Woo Yang-woo

20 episodes

Park You-na

Cha Se-ri

20 episodes

Lee Eugene

Woo Soo-han

20 episodes

Kwon Hwa-woon

Lee Choong Sun

20 episodes

Jung Ae-ri

Mrs. Yoon

20 episodes

Cho Mi-nyeo

Katherine

20 episodes

Song Min-hyung

Choi In-ho

20 episodes

Kim Jung-nan

Lee Myung-joo

20 episodes

You Seong-joo

Park Soo-chang

20 episodes

Song Geon-hee

Park Young-jae

20 episodes

Lee Yeon-su

Kim Eun-hye

20 episodes

Kim Joo-ryoung

Noh Seon-hye

20 episodes

Moon Dong-hyeok

Moon Dong Hyuk [Orthopedic resident]

20 episodes

Han Sa-myeong

Park In Kyu [SKY Castle security]

20 episodes

Lee Ju-yeon

Lee Ga-eul

1 episode