"The Suspect" is a 2013 South Korean action film directed by Won Sin Yoon. The North Korean spy, abandoned by his country, settled in South Korea. He soon became the main suspect in the murder of the CEO of a large corporation. Now the suspect must reach the truth.
Ji Dong-cheol was once one of the special forces agents in North Korea, but after the change of the political system he was abandoned by his government while he was on duty. He searches for his wife and daughter, who have been sold into slavery in China, and runs away to find their bodies. When he learns that his ex-partner was behind their deaths, Ji Dong-cheol starts a vendetta and goes south to pursue his family's killer. Now, living in secret, he seeks compensation during the day, and at night he works as chairman of the board of directors Pak personal driver. One night Pak is attacked and killed by a hired assassin, but the president manages to pass a few special points to Ji Dong-cheol. The South Korean intelligence, the representative of which accuses Ji Dong-cheol of murder, goes out to hunt the former spy, which is surrounded on all sides. The manhunt is led by Colonel Sergeant Min Se Hoon, with whom Ji Dong-cheol has a common past, և Kim Sok Hoon, Director of NIS. With the help of a daring documentary-director, Ji Dong-cheol escapes, trying to recover the top-secret materials sent to him by his dying boss.
Gong Yoo as Ji Dong-cheol, a former highly ranked North Korean spy turned defector investigating the murder of his family and accused of the murder of a business executive
Park Hee-soon as Min Se-hoon, a South Korean NIS operative demoted to drill sergeant after a failed mission where Ji Dong-cheol spared him
Jo Sung-ha as Kim Seok-ho, NIS director, the main antagonist
Yoo Da-in as Choi Kyung-hee, filmmaker of a documentary on North Korean defectors who follows Dong-cheol around and sympathizes with his past
Kim Sung-kyun as Ri Kwang-jo, a North Korean defector who Ji Dong-cheol believes killed his family
Jo Jae-yoon as Captain Jo, who assists Min Se-hoon and investigates Ji Dong-cheol's innocence
Park Ji-il as Executive director Song
Kim Min-jae as Reporter Joo
Kim Eui-sung as Deputy department head Shin
Won Poong-yeon as Kim Seok-ho's underling