Song Kang-ho as Gu In-ho

Lee Byung-hun as Park Jae-hyuk

Jeon Do-yeon as Kim Sook-hee

Kim Nam-gil as Choi Hyun-soo

Yim Si-wan as Ryu Jin-seok

Kim So-jin as Kim Hee-jin

Park Hae-joon as Park Tae-soo

Do Yeong-seo as Park Soo-min

Hyun Bong-sik as Park Yoon-cheol

Woo Mi-hwa as Hye-yoon

Lim Hyung-kook as Captain

Seol In-a as Im Tae-eun

Lee Yul-eum as Park Shi-young

Moon Sook as Dr. Han

Kwon Han-sol as Min-jung

Kim Guk-hee as Mi-ryang

Kim Hak-seon as Yoon-seok

Lee Si-won as In-seon

Im Sung-jae as Jong-su

Kang Mal-geum as Survivor

Nam Myung-ryeol as Director of the National Security Office

Kim Ho-jung as Minister of Health and Welfare

Lee Hwa-ryong as Director of KCDC

Lee Jae-eun as News Anchor

Wang Jong-myung as News Anchor

Kwak Min-kyu as Construction Company Business Trip Employee

Yoon Se-woong as Golf Club Member / Airplane Passenger

Maurice Turner Jr. as Airplane Passenger

Lee Eun-hee as Travel Family

Park Jae-wan as Hawaii Branch Manager

Ha Soo-ho as Bricom Guard

Lee Doo-seok as Park Gun-woo

Lee Gi-dong as Technical supporter

Jung Hyung-suk as Minister Han

Gong Teyu as Tokyo controller

Lee Hae-woon as Forensic Investigation

Lee Su-mi as Hye Yoon's friend/ Airplane passenger

Jeon Eun-mi as Crisis Response Team

Go Gyoung-hee as Oh Kyung-Sook

Lee Mi-ra as High school girl's family

Ha Hye-seung as Newly weds

Jin Mi-sa as Hye Yoon's friend

Lee Sang-hyun as Captain Jang Young-Seok

Jeon Se-yong as Control room team leader

Choi Young-do as Immigrant couple / Airplane passenger

Jung Seo-in as Immigrant couple / Airplane passenger

Nam Myung-ryeol as Blue House Chief of Security

Rachel J. Goodgion as Backpacker / Airplane Passenger

Carson Allen as Backpacker / Airplane Passenger

John D. Michaels as Airplane Passenger

Jeong Jong-yeol as Seok Pil-ho

Kim Ho-jung as Minister of Health and Welfare Baek

Lee Hyun-kyun as Oh Seong-Hoon

Jeon Su-ji as Assistant Oh

Oh Jae-kyun as Golf club member

Cho Seung-yeon as Golf club member / Airplane passenger

Byeon Woo-jong as Golf club member / Airplane passenger

Hwang Hyun-bin as Golf club member / Airplane passenger

Jo Seung-yeon as Golf club member / Airplane passenger

Shim So-yeon as Aged couple member passenger

Shin Soo-yeon as Female high school student #1 / Airplane passenger

Hong Ha-na-im as Female high school student #2 / Airplane passenger

Gu Yu-jung as Female high school student #3 / Airplane passenger

Jeon Jung-il as Construction company business trip employee #2

Lee Seung-joon as Newlywed / Airplane passenger

Ha Jung-min as Newlywed / Airplane passenger

Park Geun-hong as Newlywed / Airplane passenger

Lee Ye-young as Newlywed / Airplane passenger

Seo Suk-kyu as Newlywed / Airplane passenger

Kim Keum-soon as Family on vacation / Airplane passenger

Shin Seung-yong as Overseas business trip attorney

Lee Dong-hee as Family on vacation / Airplane passenger

Park Yoon-hee as Tokyo Control Station team leader

Ock Yun-jung as Flight attendant's younger brother

Min Hyo-kyung as Doctor of microbiology in response team

Kim Chang-hwan as Secretary of State's assistant

Moon Joo-yeon as Ticket booth clerk #1

Moon Ah-ram as Ticket booth clerk #2

Jo Jin-kyul as Ground attendant

Jung Yun-ha as Moon Hae-Jin

Oh Yun-su as Flight attendant

Lee Taek-geun as Travel journalist

Park Hui-eun as Barista trainee

Kim Bong-hee as Mother on trip

Seok Bo-bae as Diving club / Airplane passenger

Kim Byeong-man as Diving club / Airplane passenger

Choi Sol-hee as Mother and daughter trip

Jo Yong-jun as Group tour/ Airplane passenger

Jo Woon as Group tour/ Airplane passenger

Ji Woong-bae as Tourist / Airplane passenger

Koo Min-hyuk as Tourist on a business trip / Airplane passenger

Park Sun-im as Airplane passenger

Lee Jong-woon as Airplane passenger

Oh Seung-jun as Couple on reward vacation

Song Hoon as Undersecretary of State for Foreign Affairs

Kim Seo-yeon as University couple

Kim Kyu-do as Overseas business trip lawyer

Song Kyung-eui as Security checkpoint agent

Sung Ki-yoon as Crisis management situation team leader

Cho Jae-ryong as Duty manager

Byun Jin-su as The head of the flight monitoring team

Kim So-woon as Yoon Seok's family

Hwang Jae-yeol as Control Team Leader #1

Song Hyeong-su as Control Team Leader #4

Kim Kwang-shik as Control Team Leader #5

Yoo Jong-yeon as Control room staff

Sim Woo-sung as Control room staff

Yoo Ah-reum as Control room staff

Choi Young-min as Control room staff

Jo Dae-hee as Control room staff

Jo Young-ji as Control room staff

Choi Eun-kyoung as Control team member

Lee Moon-bin as Chinese cook

Choi Jae-hoon as Control room team member

Jung So-yong as NSC building reporter

Jang Seo-yeon as Flight attendants' sister

Choi Pil-sang as Reporter in front of cargo

Kim Ri-seung as Control room staff

Byeon Dong-wook as Control Tower Soldier

Jung Min-seop as Control Tower Air Force

Lee Ji-su as Response team criminal Microbiologist

Lee Eun-joo as Response team criminal psychologist

Kim Kwang-hyun as Response team criminal psychologist

Kwon Jung-min as Response Team Quality Standard

Ahn Jung-ho as Reporter

Ki Do-young as Reporter in front of cargo

Jeong Ji-young as Reporter in front of cargo

Chae Song-ah as Foreign minister

Son Jin-hwan as Member of the hearing committee

Park Ki-seon as Director of the Seoul Regional Aviation Administration

Kang Yeong-il as Quality standard response team

Kwon Hyuk as Assistant Secretary of the Security Office

Lim Jung-ok as Minister of Gender Equality and Family

Oh Jae-se as Tower Soldier

Baek Seung-ik as NFS Team Member

Yang Hee-myoung as Detective

Ji Nam-hyuk as Tokyo Control Center member

Park Ye-yeong as Tokyo Control Center member

Ki Hwan as Tokyo Control Center member

Kim Yeong-jo as Tokyo Control Center member

Yeo Min-goo as Passenger's family

Shin Duk-ho as Newlywed Bride's Dad

Byun Joong-hee as Grandmother

Kim Do-won as Grandson

Kim Han-sang as Protester

Jang Yong-hee as Protester

Hyun Seung-jin as Protester

Shin Chi-young as Protester

Kim Hyun-jeong as Protester

Bae Hyun-kyung as U.S. flight controller

Lee Yoon-jae as Response Team Police

Jung Hyung-suk as Minister of Public Administration and Security

Oh Geun-wook as NFS Team Member

Jang Jun-whee as Detective

Son Kyoung-won as Forensic investigator

Jung Yun-shim as Forensic investigator

Yoon Jae-in as James's Interpreter

Kim Yeon-kyo as Bricom Wife of a construction company employee

Kwon Il-yong as News Panel Profiler

Jo Hyeon-im as News Panel

Song Joon-hee as Children

Lee Il-sub as Doctor Han's husband

Lim Ji-hyun as Doctor Han's daughter

Kim Dong-hyung as Control tower

Kim Zio as Reporter