- Country: South Korea
- Genres: Action, Crime, Drama
- Release: 2006-01-13
- Director: Seong-soo Kim
- Writers: Ji-hoon Han
- Language: Korean
- Stars: Sang-Woo Kwon , Ji-Tae Yoo , Byung-ho Son , Son Byeong-uk , Duk-moon Choi , Dong-Geun Yoo , Lee Han-wi , Hyuk-kwon Park , Jung-hee Moon , Ji-won Uhm
- Runtime: 124 min
- Awards: 1 nomination
- AKA: 美しき野獣 (Japan) , Running Wild , Ya-soo , Running Wild (France, French Republic) , Yasu (Korea) , Running Wild (United Kingdom) , Running Wild (United States of America) , Corrida Selvagem (Brazil) , Ya-soo (Canada) , Бешеный (Russian Federation)
- Plot:
A grissled cop with tendencies towards excessive force teams up with an ambitious and righteous prosecutor to track down a dangerous crime boss whom they both want desperately to catch. But their quarry resorts to devious methods to stall their investigation and eventually turn them against each other. Now the stage is set for a dangerous triangle.
- IMDB:tt0485552
Running Wild Cast · · · ALL
Seong-soo Kim
Director
Sang-Woo Kwon
Jang Do-young
Ji-Tae Yoo
Oh Jin-woo
Byung-ho Son
Yoo Kang-jin
Ji-won Uhm
Kang Joo-hee
Lee Han-wi
Section Chief Bang
Joong-Moon Lee
Lee Dong-jik
Kil-kang Ahn
Yang Ki-taek
Seok-hyeon Jo
Instructor
Jung-hee Moon
Yoon Jung-min
Seong-jin Kang
Jo Young-chul
Joo-sil Lee
Do-young's Mother
Won-joong Jung
Chief Prosecutor
Kim Yoon-seok
Ju Hyun-tae
Chang-Seok Ko
Gang Member
Cho Jin-woong
Guryongpa Gang Member
Hyuk-kwon Park
Fellow Detective
Sung-ha Jo
Trial Prosecutor
Son Byeong-uk
Yellow Hair
Se-dong Kim
Captain Choi
Choe Min
Guryongpa Gang