![Special ID](https://image.tmdb.org/t/p/original//ofFQoVSgGsgTuQ919v8ipOE4nFV.jpg)
![Special ID](https://image.tmdb.org/t/p/w200//1JmlCQWg1mdQTUMgJQsH7XHcXpA.jpg)
Special ID
1 hour 38 minutes2013-10-17
5.7
Watch Trailer
A career-long undercover Hong Kong cop is sent to Mainland China when his former protégé becomes the primary suspect in a murder.
Cast
![Donnie Yen](https://image.tmdb.org/t/p/w200//hTlhrrZMj8hZVvD17j4KyAFWBHc.jpg)
Donnie Yen
Dragon Chan
![Jing Tian](https://image.tmdb.org/t/p/w200//nNlM15XOEJU8A1dKuGEnN7NgxEy.jpg)
Jing Tian
Fang Jing
![Andy On](https://image.tmdb.org/t/p/w200//zbH0l4V3QJdvkLKPhBr5EB5JWnB.jpg)
Andy On
Sunny
![Ronald Cheng](https://image.tmdb.org/t/p/w200//1LoxVbamS7sxQP8TdtSeozNSKpB.jpg)
Ronald Cheng
Captain Zhang
![Pau Hei-Ching](https://image.tmdb.org/t/p/w200//wQFuXG8F4LIMcO2vtH5IxBGE5wx.jpg)
Pau Hei-Ching
Amy (Long's mother)
![Collin Chou](https://image.tmdb.org/t/p/w200//tXZmRt3kp0wknv9jM2WLIf2W7EX.jpg)
Collin Chou
Cheung Mo-Hung
![Yang Zhigang](https://image.tmdb.org/t/p/w200//w31mXlU6Pn4IWalcRtGLd189kQD.jpg)
Yang Zhigang
Lei Peng
![Terence Yin](https://image.tmdb.org/t/p/w200//Avh1W3UQwxfHO7G1BhwZu8aTce7.jpg)
Terence Yin
Terry
![Frankie Ng Chi-Hung](https://image.tmdb.org/t/p/w200//mj7FvPXqcfZcyPyIT2GKUoel8uu.jpg)
Frankie Ng Chi-Hung
Triad mahjong player
![Zhang Hanyu](https://image.tmdb.org/t/p/w200//dhieL9tW25vBHjqqwElxPzWaWpQ.jpg)
Zhang Hanyu
Blade
![Ken Lo](https://image.tmdb.org/t/p/w200//aecWmrSbnZTTnBJ8vgyNAaphOLp.jpg)
Ken Lo
Brother Bo (Triad mahjong player)
![Mak Cheung-Ching](https://image.tmdb.org/t/p/w200//u1lUv0JR4v0gNXjUWtfPJ43I8SA.jpg)
Mak Cheung-Ching
Brother Kun
![Andrew Yan Hua](https://image.tmdb.org/t/p/w200//6WesxAnQS6nnvX0ZO4dLO3U8zrj.jpg)
Andrew Yan Hua
Big Noise Fa
![Tony Ho](https://image.tmdb.org/t/p/w200//paQA7NquBfwRdGiCACSdzLPFvLG.jpg)