Kim Sang-kyung

Jeong Tae-hoon

Lee Sun-bin

Han Young-ju

Yoon Kyeong-ho

Seo Woo-sik

서영희

Han Gil-ju

Jang Hyuk-jin

President Cho

김정태

Han Hyun-jong

송영규

Jeong Kyung-han

이지훈

In-ho

성병숙

Soon-im

김하언

Jung Min-woo

김경식

Ministry of Health and Welfare

Kim Dong-hwan

O2 Staff

Brad Curtin

오동민

Reporter

임영주

Reporter

고서정

Audience

조유진

Victim 4

조서후

Eun-jeong

권혁성

Victim 2

박노아

Min-woo's Friend 2

임정운

Minister of Food and Drug Safety

윤정열

Superior

차정환

Director Kim

손서영

Court Audience