S1·E4 – Episode 4

Kim Dong-wook

Dong-Ban Yoo-bin

Park Ji-hwan

Moo Joong-ryeok

Seo Hyun-woo

Jeong Jeong-hwan

Park Se-wan

Seo Min-seo

Lee Seung-woo

Jang Tan-sik

Son Eun-seo

Jang Eun-kyeong

Kim Seung-hwa

Nam Yeong-eun

Kim Ra-on

Dong-goo

金希京

Seo Hyeon-seo (Min-seo's sister)

Choi Gwang-il

Kang Hui Ryong [Chief of police]

Derek Chouinard

U.S. Boxing Coach Noah Wilson

Nam Hyeon-woo

Jo Choong-beom