Little Cherry Blossom was played by actor Wang Yi in the online drama Detective Chinatown 2.
The actor Zhang Shi played Durang in the Detective in Chinatown.
Wang Jiaoyun was played by Weng Hong in Detective Chinatown 2.
Mr. Yan was played by Liu Haoran in Detective Chinatown.
The character An Song in Detective Chinatown 2 was played by Ma Yuke.
The female hacker KIKO in Detective Chinatown 2 was played by the Korean actress Lee Byung Hun.
Wang Jiaoyun was played by Weng Hong in Detective Chinatown 2.
There were a few possible murderers. According to the plot of Detective Chinatown 2, the murderer could be the experimental genius surgeon James Springfield. He used the Taoist theory of Yin and Yang to kill people in New York City. The other possible murderer was Detective " Q " Song Yi. He used this case to manipulate the other detectives behind the scenes and took the opportunity to kill Lu Guofu and frame James Springfield. There was also a theory that the little girl, Snow, was the murderer who directed everything. She used her adoptive father to kill. However, there was no clear answer as to who the real murderer was. Therefore, there was no conclusive answer as to who the murderer of Detective Chinatown 2 was.
The characters of Detective Chinatown 2 included Tang Ren, Qin Feng, Xiao Yang, Wang Xun, Liu Chengyu, Shang Yuxian, Yuan Hua, his wife Mu Cong, Michael Pitt, and so on.
The gangster in Detective Chinatown 2 was Kiko, played by Shang Yuxian.
The murderer in the movie Detective Chinatown 1 was Snow. By writing in her diary, Sino made her adoptive father think that she was being bullied by Sompa. Then, she wrote down the method to kill Sompa in her diary, enticing her adoptive father to kill Sompa. It was very likely that Sino and Dan were in a mutually beneficial relationship.