Summer Strike

Si-wan Yim

An Dae-beom

Seol-Hyun Kim

Lee Yeo-reum

Ye-Young Park

Jo Ji-Young

Eun-soo Shin

Kim Bom

Ji-Hoon Park

Kwak Moo-cheol

Kim Hye-jung

Jeong Myeong-sook

Jae-min Bang

Heo Jae-Hoon

Sang-hwa Yoon

Professor Lee Cheol-woong

Lim Jae-Hyeok

Dae-ho

Paul Battle

Professor Holland

Lee Jae-woo

Korea National University faculty member

Kim Jeong-yeong

Kwak Doo-Hee's wife

Jang Sung-bum

Jae-Dong

Kim Hak-sun

Kwak Doo-Hee

Park Ok-chool

Song Ok-Soon

Soon-woong Yu

Bae Young-Ho

Kim Gi-Bang

Lee Yeo-Reum's brother

Jae-in Lee

Detective