The plus nine effect S01E01

Kim Young-kwang

Kang Jin-gu

Oh Jung-se

Gu Kwang-soo

Yook Sung-jae

Kang Min-gu

Choi Ro-woon

Kang Dong-gu

Gyeong Su-jin

Ma Se-young

Yoo Da-in

Joo Da-in

Park Cho-rong

Han Soo-ah / Bong-sook

Lee Chae-mi

Jang Baek-ji

Kim Hyun-joon

Park Jae-bum

Kim Mi-kyeong

Gu Bok-ja