 Kim Nam-gilJae-hyuk | Jae-hyuk |
 Kim Joo-hyunYeon-joo | Yeon-joo |
 Kim Myung-minPresident | President |
 Lee Kyung-youngPrime Minister | Prime Minister |
 Kim Young-aeMrs. Seok | Mrs. Seok |
 Jung Jin-youngPyung-sub | Pyung-sub |
 Moon Jeong-heeJeong-hye | Jeong-hye |
 Bae Gang-yooMin-jae | Min-jae |
 Kim Dae-myungGil-seop | Gil-seop |
 Yoo Seung-mokMr. Kam | Mr. Kam |
 Kang Shin-ilMr. Kong | Mr. Kong |
 Kim Se-dongMr. Nam | Mr. Nam |
 Song Young-changNew Director at Nuclear Power Plant | New Director at Nuclear Power Plant |
 Kim Young-woongMr. Hwang | Mr. Hwang |
 Kim Han-jongJin-taek | Jin-taek |
 Kwak Min-seokHead of Foreign Cooperation | Head of Foreign Cooperation |
 Park Sun-HeeMr. Gam's Wife | Mr. Gam's Wife |
 Kong Jeong-hwanSenior Presidential Secretary | Senior Presidential Secretary |
 Kim Hye-eunFirst Lady | First Lady |
 Baek Do-binChief Rescuer | Chief Rescuer |
 Hong Seok-binDoctor | Doctor |
 Kim Keum-soonVillager | Villager |
 Oh Ye-seolNew Nurse | New Nurse |
 Park Pal-youngMinister of Commerce, Industry and Energy | Minister of Commerce, Industry and Energy |
 No Kang-minYoung Jin-taek | Young Jin-taek |
 Park Joon-youngStorage Tank Recovery Team | Storage Tank Recovery Team |
 Cho Han-chulPresident of Shimwon E&C | President of Shimwon E&C |
 Jung In-giFire Marshal | Fire Marshal |
 Son Jong-hakPresident of Korea Hydro & Nuclear Power | President of Korea Hydro & Nuclear Power |
| Song Young-changNew Director of the Headquarters | New Director of the Headquarters |
