Brainwave

Hwang Choon-ha

as

Son Min-woo

Nam Yoon-myung

as

Mouthpiece

Son Byeong-uk

as

Park Sung-min

Kim Do-yoon

as

Jeon Joon-oh

Kim Jung-pal

as

Team Leader

Son Ho-seung

as

Park Ki-soo

Lee Kyung-Hoon

as

Yong-man

Lee Joon-won

as

Brown Bear

Jang Se-yoon

as

Han Jenny

Cha Seung-yeol

as

Tentacles