Kim Nam-gil

Jae-hyuk

Gong Jeong-hwan

Senior Presidential Secretary (uncredited)

Kim Hye-eun

First Lady

Baek Do-bin

Chief Rescuer (uncredited)

Hong Seok-bin

Doctor

Kim Keum-soon

Villager

Oh Ye-seol

New Nurse

Park Pal-Young

[Minister of Commerce, Industry and Energy]

No Kang-min

{Young Jin-taek}

Park Joon-Young

[Storage tank recovery Team]

Jo Han-chul

President of Shimwon E&C

Jung In-gi

Fire marshal

Son Jong-hak

President of Korea Hydro & Nuclear Power

Song Young-chang

New director of the headquarters

Kim Jong-goo

Nuclear Safety Committee chairman

Park Sun-Hee

Mr. Gam's Wife (uncredited)

Kwak In-joon

Head of Foreign Cooperation (uncredited)

Kim Joo-hyun

Yeon-joo

Kim Myung-min

President

Lee Kyung-young

Prime Minister