Mad Dog (TV series)

Mad Dog is a South Korean television series starring Yoo Ji-tae, Woo Do-hwan, and Ryu Hwa-young. It aired on KBS2, from October 11, 2017 to November 30, 2017 on Wednesdays and Thursdays at 22:00 (KST) for 16 episodes.

Synopsis
Choi Kang-woo is a former police and leader of Taeyang Insurance's investigators team, decides to create his own investigation team, Mad Dog, after an airplane crash that took the life of his wife and son. Two years later, he meets Kim Min-joon, a genius former swindler who is the younger brother of Kim Beom-joon, the co-pilot of the crashed JH 801 airplane, who was touted of crashing the aircraft on purpose in a suicide attempt.

Main (Mad Dog)

 * Yoo Ji-tae as Choi Kang-woo / Mad Dog
 * An ex-cop and leader of the Mad Dog team. He has good eyes, sharp instinct which helps him achieve a 99% arrest rate. After meeting Kim Beom-joon's brother, he developed suspiciousness of his wife and son's death and decided to re-investigate the case.


 * Woo Do-hwan as Kim Min-joon / Jan Gebauer / Doctor Kim
 * A genius former swindler who was abandoned by his German foster parents. He has wits and guts instinct, allowing him to transform into anybody. After 2 years, he returnes to South Korea to prove his brother's innocence.


 * Ryu Hwa-young as Jang Ha-ri / Player Jang
 * A former competing gymnast skilled at disguising herself in order to investigate insurance fraud schemes.


 * Jo Jae-yoon as Park Soon-jung / Cheetah
 * An ex thug with striking criminal records, who now becomes an insurance investigator dreams of becoming a pediatric nurse for his love of children.


 * Kim Hye-seong as On Nu-ri / Pentium
 * A computer genius who is allergic to the sun and hates going outside.


 * Hong Soo-hyun as Cha Hong-joo
 * Only daughter of Cha Joon-kyu and Director of Taeyang Insurance. She has a crush on Kang-woo but eventually decided to side with her father.

Taeyang Life Insurance

 * Jeong Bo-seok as Cha Joon-kyu
 * Chairman of Taeyang Life Insurance.


 * Jang Hyuk-jin as Park Moo-shin
 * Kang-woo's best friend who still works at Taeyang Insurance.

Juhan Airlines

 * Choi Won-young as Joo Hyun-gi
 * Vice-president of JH Airlines. He is extremely cunning in planning strategies against his enemy.

Others

 * Lee Jun-hyeok as Jo Han-woo
 * Kang-woo's fellow teammate back when he was a policeman.


 * Park In-hwan as Byun Gook-jin
 * Baek Ji-won as Oh Seo-ra
 * Kim Young-hoon as Kim Bum-joon
 * Kim Min-joon's older brother. Co-pilot of the crashed JH 801, who was accused of crashing the plane on purpose to take his own life.


 * Park Sung-hoon as Ko Jin Chul
 * Park Min-jung as Lee Young-mi

Production
Gong Myung was initially offered the role of Kim Min-joon.

Ratings

 * In this table, The blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
 * NR denotes that the drama did not rank in the top 20 daily programs on that date.