● The film was shot in Dalian, Yanbian, Harbin and Qiqihar in China.
● The film started shooting as early as the end of 2009, but the progress was affected by climate anomalies. The release date was postponed from the summer of 20 10 to the end of the year.
● The blasting scene in the film was shot in Busan, and * * * mobilized 150 participants, 13 cameras, 50 motor vehicles and 20 buses. The shooting was strongly supported by the Busan Image Committee, and traffic control was implemented within a radius of 3 kilometers from the city center.
● Ha Jung Woo ruined his image for the film, which was so different from the former male that no one recognized him when shooting at the South Gate of Seoul.
● Luo Hongzhen expressed the hope that this film can be made into a large-scale production film with a strong masculine atmosphere, just like the film The Godfather.
The Korean man played by He Zhengyu in the film has a real prototype, and his wife still lives in Yanji, China.
● Starring Jin Yunshi and Ha Jung Woo practiced Yanbian dialect and mahjong for this film for 3 months.
● Before the movie started, Luo Hongzhen had a one-month backpacking trip in Yanbian Korean Autonomous Prefecture and made a field trip.
● In order to better portray the role, Ha Jung Woo didn't cut his hair, grow a beard or lose weight during the 300-day shooting, while another leading actor, Jin Yunshi, did the opposite. In order to meet the needs of the role, he gained 8kg in a short time.