Kim Myung-min as Jae-hyeok

Moon Jeong-hee as Kyeong-soon

Kim Dong-wan as Jae-pil

Lee Ha-nee as Yeon-joo

Uhm Ji-sung as Joon-woo

Kang Shin-il as Dr. Hwang

Jo Deok-hyeon as Tae-won

Jeon Kuk-hwan as Prime Minister

Choi Jung-woo as Health Minister

Lee Hyeong-cheol as Jason Kim

Jeong In-gi as Sales Office Manager

Song Young-chang as Chief Kim

Choi Il-hwa as President

Kim Sae-byuk as Baby's Mother

Jo Han-chul as Researcher

Kim Ran-heun as Pharmaceutical Company Employee

Lee Il-sub as Interior Minister

Jang Tae-min as Police