Composer
Director
Screenwriter
Main Role
- Jung Hae In Main Role
- Kim Ji Soo Main Role
- Jang Seung Jo Main Role
- Yoo In Na Main Role
- Yoon Se Ah Main Role
- Kim Hye Yoon Main Role
- Jung Eugene Main Role
Support Role
- Heo Joon Ho Support Role
- Park Sung Woong Support Role
- Lee Hwa Ryong Support Role
- Kim Jung NanHong Ae Ra [Eun Young Ro's step-mother]Support Role
- Jung Hye YoungJo Sung Shim [Nam Tae Il's wife]Support Role
- Baek Ji WonChoi Mi Hye [Ahn Kyung Hee's wife]Support Role
- Jung Shin Hye Support Role
- Kim Mi Soo Support Role
- Choi Hee Jin Support Role
- Jeong E SuhShin Kyung Ja [Student president of the Women's University]Support Role
- Kim Min Gue Support Role
- Jang In Sub Support Role
- Kim Jong Soo Support Role
- Nam Mi Jung Support Role
- Jeon Moo SongLim Ji Rok [Deputy Director, United Front Dept]Support Role
- Jung Ae RiChoi Soo Ryun [Deputy Chief of the National Security Agency]Support Role
- Heo Nam JunOh Gwang Tae [Soo Ho's friend]Support Role
- Ahn Dong GooChoi Byung Tae [Korea Military Academy cadet]Support Role
- Kim Jung HoonKim Sang Beom [Kim Man Dong's son]Support Role
- Choi Kyung HoonOh Dong Jae [ANSP member]Support Role
- Moon You KangSeung Jun [ANSP member]Support Role
- Choi Yoon Je[ANSP member]Support Role
- Kang Moon KyungPark Mu YeolSupport Role
- Kim Jung HoProfessor Han I SeopSupport Role
- Jang Tae Min[Eun Chang Soo's secretary]Support Role
- Lee Seung Jin[South Korean Military agent]Support Role
- Park Ye NiKim Ye Ni [Secretary Kim of Charmant]Support Role
- Jun Jung Il[Childlike society member]Support Role
Guest Role
- Lee Jung HyunPark Geum Chul [Soo Ho's colleague] (Ep. 1-2, 12)Guest Role
- Chae Won BinIm Su Hee [Soo Ho's sister] (Ep. 2, 11)Guest Role
- Yeom Jung AhSong Hee Joo [Former headmistress] (Ep. 2-3, 8, 16)Guest Role
- Song Geon HeeEun Young Woo [Eun Young Ro's brother] (Ep. 2, 5-6, 8)Guest Role
- Kwon Han Sol[Photographer] ( Ep. 3)Guest Role
- Eom Ok Ran[Eun Chang Soo's maid] (Ep. 3, 6, 11)Guest Role
- Seon Yool Woo[Loan shark employee] (Ep. 4)Guest Role
- Bae Myung Jin[North Korean Agent] (Ep. 4-5)Guest Role
- Song Hoon[Chang Su's driver] (Ep. 5)Guest Role
- Yoo Sung Joo[North Korean military commander] (Ep. 5)Guest Role
- Seo Suk Gyu[South Korean Special Forces member] (Ep. 5)Guest Role
- Seo Myung ChanKim Hyeon Seung [Priest] (Ep. 7)Guest Role
- Baek Ji YunYeom Ji Hye [News reporter] (Ep. 7-8)Guest Role
- Lee So E[Hostage] (Ep. 9)Guest Role
- Lee Joo AhnJun Pyo [President's son] (Ep. 10)Guest Role
- Kim Ha JinYang Choon Sim (Ep. 10-11)Guest Role
- Jo Yeon HoIm Soo Ho [Young] (Ep. 10, 15)Guest Role
- Ariane Desgagnes-LeclercLinda Young / Gong Gil Soon (Ep. 13-14)Guest Role
- Lee Yoon Sang[Assemblyman] (Ep. 16)Guest Role
- Shin Sa RangYeon HwaGuest Role
- Park Hyo BinPark Sun Ja [Student]Guest Role
- Lee Jin SeungYoo Young Jun [Media]Guest Role
- Hwang Soo Min[JBC anchor]Guest Role
- Jang Yoon Woo[JBC reporter]Guest Role
- Shin An Jin[Fortune teller]Guest Role
- Han Myung Chul[Seol Hee's father]Guest Role
- Kim Bong Man[Tae Il's secretary]Guest Role
- Park Sang Jong[Electronics repairman]Guest Role
- Lee Do Hye[Hosu University student]Guest Role
- Kim Eun Seo[Hosu University student]Guest Role
- Jang Hye Won[Hosu University student]Guest Role
- Cha Seo Hyun Guest Role
- Jung Hee YoungMs. Bong (Ep. 1, 3)Guest Role
- Joo Ha Yeon[Student]Guest Role
- Tak I On[Agent] (Ep. 4-5)Guest Role
- Park Seon Ok[Loan shark boss] (ep.4)Guest Role
- Choi Hyun Young[Student]Guest Role
- Yim So Yun[Student]Guest Role
Unknown
- Kim Seo Hyun Unknown
- Ji Ui Jung Unknown
- Gong Do Eun Unknown
- Kim Seung Hwa Unknown
- Pyun Hae Joon Unknown
- Kang Tae Je Unknown
Bit part
- Park Soo Ryun[College student]Bit part
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