S1E7 · Épisode 7

Park Seo-jun

Lee Kyeong-do

Won Ji An

Seo Ji-woo

이엘

Seo Ji-yeon

Lee Joo-young

Park Se-young

강기둥

Cha Woo-sik

조민국

Lee Jeong-min

Kang Mal-geum

Jin Han-kyeong

한은성

Kim Du-jin

이중현

Ma Seong-cheol

김미경

Cho Nam-suk

김용준

Lee Han-soo

남기애

Jang Hwan-gyeong

오동민

Cho Jin-eon

성령

Secretary Yoo Dan-bi

정하진

Nam Bo-ra

박수민

Chief secretary

김중기

Lee Kyeong-do's Colleague

김홍교

Lab Worker