Title: 히어로 / Hero
Previously known as: 보이지 않는 전쟁 (Unseen Warfare) / 수상한 히어로즈 (Strange Heroes)
Genre: Comedy
Episodes: To Be Announced
Broadcast Network: MBC
Broadcast period: 2009-Nov-18
Air time: Wednesdays and  Thursdays 21:55


Production Credits
Producer: Lee Jae Dong
Director: Kim Kyung Hee, Lee Dong Yoon (이동윤)
Screenwriter: Park Ji Suk (박지숙)

Synopsis
Hero is the story of Korea’s top reporters and ordinary citizens fighting against the society elite’s abuse of power. Jin Do Hyuk is a clever and talented reporter who ends up living a life of recklessness and despair when the woman he loved dies. He later decides to start a new life by helping other victims of society’s crimes, becoming a modern hero who battles against the non-ethical. Joo Jae In is a passionate woman with a strong sense of journalistic responsibility whose fate becomes entangled with his.


Cast
Lee Joon Ki as Jin Do Hyuk
a newspaper reporter who is full of ambition , fun , optimistic and energetic person who transforms into a reporter with a strong sense of justice and speaks up for the lower middle class society.

He wants to become a reporter after his father but he comes from a family which struggles from the rigors of life and he was not able to study of his own will due to his immature sister who only worsens the situation. He barely gets into a third-rate newspaper but runs into a wall when the paper decides to cease publication.

He joins the news agency owned by a former mobster head, Cho Yong Duk who was one of his interviewees after the agency he formerly works for became bankupt. Since then, Choo Yong Duk becomes a father-like figure to Do Hyuk who is determine to fight against the unreasonableness, non-ethical and senselessness crimes committed by the ‘un-touchable’ people of the higher society. Do Hyuk crosses path again with Kang Hae Sung, his rival since highschool and gets into a triangular love relationship with him again with the arrival of Joo Jae In, a female cop. --Viikii.net

Yoon So Yi as Joo Jae In
leader of a police department’s homicide team, a detective who graduated police academy with first honors, who always plays by the book.

At work, she is alike her father who passed away while on duty but in normal life, she is alike her mother who is feminine and elegant yet a little immature. That is why she will sweep out criminals with various types of martial art fighting but wear pink pajamas at home or will be carefully sneaking into a crime scene but turn shy in front of the one she likes. That is where her appeal is and the reason why she will be confused over liking Jin Do Hyun and Kang Hae Sung. Jae In will always quarrel with Jin Do Hyuk who seems to be living a third-rate life , ignoring him and despising him , until she gradually realizes his attractiveness and starts to change and mature. --Viikii.net

Uhm Ki Joon as Kang Hae Seong
an elite reporter who dreams of becoming successful, a cold-hearted person who is full of ambition and will use any means possible to achieve his goal.
He has been Do Hyuk’s rival eversince their highschool days, he knows what he needs to climb the society leader and is willing to make use of anything and anyone to get a step higher.
He engaged to Lee Ho Kyung, the daughter of his newspaper Dae-sae Ilbo’s chairman and secures his position as the mainstream reporter in the economic section of the paper.
However, as he starts to grow feelings for detective Joo Jae In, he cannot stand her getting closer to Jin Do Hyuk and agonizes from it. --Viikii.net

Baek Yoon Shik as Jo Yong Deok
former boss of a gang who prepares for revenge for the first time in 15 years.
Cho comes out to society after serving 15 years in a prison cell. He has no followers except for Sang-chul. His wife has remarried with someone else and his daughter, who has become a college student, turns her back on him.
He has nowhere to turn to, ends up proposing that he and Jin Do Hyuk, who was after him for an interview, set up a newspaper which Cho Yong Duk tries to settle his hidden past with newspaper Dae-sae Ilbo. --Viikii.net

Extended cast
Ji Chang Wook as Park Joon Hyung
Shin Joo Ah as Choi Ho Kyung (26, Il Doo’s daughter)
Choi Jung Woo as Choi Il Doo
Jo Yang Ja as Kim Bok Soon (Hae Seong’s mother)
Sang Hun
Jung Soo Young as Na Ga Yeon
Jung Suk Yong as Cha Man Soo
Jin Sung (진성) as Go Eun Shik
Jo Kyung Hoon as Bong Sang Chul
Lee Han Wie as Na Kyung Man
Kim Ik as Oh Jung Gil
Jang Heug Ki
Kang So Hee
Jang Young Nam as Jin Do Hee (Jin Do Hyuk’s older sister)
Kim Hyang Gi as Jin Sol (10, Do Hee’s daughter)
Eom Ji Sung (엄지성) as Jin Jung (6, Do Hee’s son)
Myeong Hee (Jae In’s mother)
Yoon Seung Ah as Jo Yu Ri (Yong Deok’s daughter)
Joo Jin Mo as Gong Chil Sung
Choi Soo Rin as Madam P
Seo Seung Man as President of Monday Weekly Magazine

Guests/Cameos
Park Gyu Ri of KARA as herself
Han Seung Yun (한승연) of KARA as herself
Jung Nicole (정니콜) of KARA as herself
Gu Ha Ra (구하라) of KARA as herself
Kang Ji Young (강지영) of KARA as herself