Newtopia

Park Jeong-min

as

Lee Jae-yoon

JISOO

as

Kang Young-joo

Im Sung-jae

as

Ra In-ho

Hong Seo-hui

as

Oh Soo-jeong

Kang Young-suk

as

Seo Jin-wook

Lee Hak-ju

as

Alex / Seong T...

Lee Ju-won

as

Sergeant Jung

Kim Sang-heun

as

Kim Yeong-man

Kwon Seung-woo

as

Park Seong-uk

Bin Chan-uk

as

Kwak Gye Yeong

Kim Jeong-jin

as

Hwang Gyeong-S...

Tang Joon-sang

as

Yeong-joo

Kim Jun-han

as

Aaron Park

Lim Su-Bin