Room No. 9

Kim Hee-seon

Eulji Hae-yi

Kim Hae-sook

Jang Hwa-sa

Kim Hae-sook

Jang Hwa Sa

Kim Young-kwang

Ki Yoo-jin

Kang Shin-il

Eulji Sung

Kang Shin-il

Eulji Seong

Dae-hwan Oh

Oh Bong-sam (Detective)

Min Sung-wuk

So Young-cheol

Min Sung-wuk

So Yeong Cheol

Jung Je-Won

So Young-cheol

Jung Je-Won

Ki Chan Sung

Lee Kyung-young

Gi-san

Kim Jae-hwa

Kam Mi-ran

Won-joong Jung

Ma Hyeon-cheol

Jung Yeon-joo

Han Hyun-hee

Byung-ho Son

Kim Jong-soo

Kim Shi Eun

Kim Hye-seon (young)

Jung Suk-yong

Kang Seong-tae

Ahn Suk-hwan

Bong Sa-dal

Yoo-Min Jung

Jang Hwa-sa (young)

Won-hui Lim

Bang Sang-soo

Hyun-Jung Park

Kim Hye-seon