By Dramabeans
Yoo Jong-sun
Kim Tae-hee
16
63–85 minutes
tvN
South Korea
Korean
Source: Wikipedia
Kim Dan, the news director.
Kim Nam-wook, Presidential Office Administrator and later Acting Press Secretary, former defector from North Korea. He is the show's counterpart of Seth Wright.
Jung Han-mo, NIS Terrorism Task Force Chief. He is the show's counterpart of Jason Atwood.
General Eun Hee-jung, Chief of Staff of the Republic of Korea Army.
Han Na-kyung, NIS Terrorism Task Force Analyst. She is the show's counterpart to Hannah Wells.
Kim Jun-oh, NIS agent. He is the show's counterpart and a composite of Senator Scott Wheeler and Gabriel Thompson.
Oh Yeong-seok, former ROK Navy Lieutenant Commander and independent member of the National Assembly. He is the show's counterpart of Congressman Peter MacLeish.
Yoon Chan-kyung, leader of the opposition Seonjin Republican Party. She is the show's counterpart of Kimble Hookstratten.
Heo Jin-joo
Seo Ji-won, NIS Terrorism Task Force Cyber Specialist. He is the show's counterpart of Chuck Russink.
Jung Soo-jung, secretary of Park Mu-jin. She is the show's counterpart of Emily Rhodes.
An Se-young, Chief of Civil Affairs.
Yang Jin-man, the assassinated President of the Republic of Korea (episode 1). He is the show's counterpart of President Robert Richmond.
Park Mu-jin, Acting President of the Republic of Korea, formerly Minister of Environment and chemistry professor at KAIST. He is the show's counterpart of Tom Kirkman.
Woo Sin-young, journalist. She is the show's counterpart to and a composite of Elizabeth Vargas, Lisa Jordan, and Abe Leonard.
Major Jang Jun Ha (episode 6). He is the show's counterpart of Captain Max Clarkson.
Min Hee-kyung, Presidential Secretary.
Kim Eun-joo, administrator of the second subdivision office.
Park Si-jin, Park Mu-jin's daughter. She is the show's counterpart of Penny Kirkman.
Han Joo-seung, Chief Presidential Secretary later as Presidential Policy Advisor. He is arrested at the end of the series for conspiration on the bombing. He is the show's counterpart of Charles Langdon.
Choi Kang-yeon, First Lady of South Korea, Park Mu-jin's wife and a human rights lawyer. She is the show's counterpart of Alex Kirkman.
Cha Young-jin, Presidential Office Senior Administrator and appointed as Chief Presidential Secretary after Han Joo-seung resignation. He is the show's counterpart of Aaron Shore.
General Lee Gwan-mook, Chairman of Joint Chiefs of Staff and Chief Director of the Joint Defense Headquarters. He is the show's counterpart of General Harris Cochrane.
Kang Sang-goo, former three term Mayor of Seoul. He is the show's counterpart to and a composite of Governor James Royce and former president Cornelius Moss.