Cast
Wang Baoqiang as Tang Ren (Chinese: 唐仁), Qin Feng's distant uncle and a Thai-Chinese swindler who comes to New York to solve a real case.
Liu Haoran as Qin Feng (Chinese: 秦风), Tang Ren's nephew and one of the best detectives of the world. He's the world's second-top detective in the ranking of Crimaster (an app which allows real detectives to upload their cases for the online community to solve them).
Xiao Yang as Song Yi (Chinese: 宋义), a man who is the main suspect of the murder of Uncle Qi's nephew and one of the suspects of being the Q, the top-ranked detective of Crimaster.
Natasha Liu Bordizzo as Officer Chen Ying (Chinese: 陈英), a Chinese-American NYPD detective and Tang Ren's love interest.
Shang Yuxian as KIKO, a hacker from Hong Kong who specializes in solving cases by hacking the police database and stealing them and the #5 of Crimaster. Her nickname is "Ultimate Computer Hacker" and she is Qin Feng's love interest.
Brett Azar as Wild Bull Billy, a tough detective from United States and a veteran from U.S. Army. He's the #9 of Crimaster and is notorious for using extreme violence and brute force to solve crimes.
Bai Ling as Aaimali Kunana, a crazy psychic detective from Indonesia and the #7 of Crimaster. She is famous for using psychic and supernatural skills to solve cases.
Benja Kay Thomas as Detective Charlene the Church Lady! She is famous for her Kung Fu skills.
Wang Xun as Lu Guofu (Chinese: 陆国富)
Yang Jinci as Malian (Horse-like face) (Chinese: 马脸)
Yuen Wah as Mou Jau-kin (Chinese: 莫友乾)
Satoshi Tsumabuki as Hiroshi Noda (Chinese: 野田宏/Nihongo: 野田浩, Noda Hiroshi), the top detective from Japan and the #3 of Crimaster. He is considered the main rival of the protagonist Qin Feng, due to his almost perfect investigative skills, which displeases Qin Feng.
Michael Pitt as Dr. James Springfield
Kenneth Tsang as Qishu (Uncle Qi), the Godfather of Chinatown and the dragonhead of the local Chinese mafia.
