Main Cast •
Roy Chiu as Lin Mo () Tang Ren's apprentice. Lin Mo is extremely sensitive to smells. He originally had a wealthy and happy family, but he witnessed his mother being murdered and became an orphan. After that, he continued to train his sense of smell in order to catch the murderer again by smell one day. The sense of smell has also become a powerful weapon for Lin Mo to investigate cases. He repeatedly uses the smell left at the crime scene to find the suspect's trace. He is currently ranked #4 on the CrimeMaster App. He also makes a cameo appearance in the film
Detective Chinatown 3. •
Zhang Yishang as Sa Sha () A Chinese female police officer (deputy inspector) at the Chinatown Police Station in Bangkok. Sasha is cool and reliable in her investigations, and she is quick and skillful. She uses her special talents and keen insight to solve confusing mysteries. She is smart and sweet in her daily life, with a hint of the cuteness of a little girl. The contrast between the two sides is moving. •
Chen Zheyuan as Noda Koji () (Season 1) An e-sports gamer and a young detective who is the leader of the group - Five Spirited Detectives. The second son of Japan's richest woman Masako Noda, the 36th heir to the Noda Foundation. He is the younger brother of CrimeMaster App #3 Noda Hiroshi (
Satoshi Tsumabuki), whom he regards as his mortal enemy and firmly believes is stronger than him. He is currently ranked #2999 on the Crimemaster App. He also makes a cameo appearance in the film
Detective Chinatown 3. •
Yuxian Shang as Kiko (Cameo - Season 1, Main Cast - Season 2) First introduced in the Five Elements Serial Murder case in
Detective Chinatown 2. She is a female hacker from Hong Kong who is proficient in technology and speaks multiple languages. A genius hacker who is proficient in various computer technologies. She can break through firewalls at a very fast speed, freely enter and exit the network systems of police stations around the world, and obtain massive information sources in the database without leaving any traces. Any information that needs to be investigated can be easily obtained by her as long as there are clues. Although she is more proficient in science and technology, her logical reasoning ability is not inferior. She is currently ranked #5 on the CrimeMaster App. She also makes an appearance in
Detective Chinatown 3.
Supporting Cast •
Janine Chang as Ivy () (Main Cast - Season 1, Cameo - Season 2) The wife of the deceased in the "Name of the Rose" case was once Lin Mo's partner. She was a flower shop owner who immigrated to Thailand with her mother when she was 14 years old. She had been married four times, and all four husbands died abnormally. The police believed that Ivy was related to the rumored Smiley Face Organization in Thailand. This organization would find beautiful women to lure rich people into marriage, then find killers to kill the rich people and make it look like an accidental death, and use the marriage relationship to transfer all assets. She is one of the members of Q, the villainous organization in the
Detective Chinatown universe. She also appears in
Detective Chinatown 3. •
Haoming Yu as Lin Sen () (Season 2) A policeman in Bingang City, he is persistent in pursuing the truth. He has been trying his best to investigate the truth in the Shao Feifei case, even if it means losing the opportunity to be a candidate for the director. He has a father who used to be a policeman. His father also gave a lot of help in this case, and together with Kiko, he found out the truth step by step in secret. •
Kenny Bee as Lin Yingshu () (Season 2) Lin Sen's father, a retired policeman, and Kiko's detective partner. Although he sometimes looks like a naughty boy, he never lags behind in pursuing the truth and investigating cases. In the amusement park case, he worked together with Kiko to find out the truth about MASK and bring Fanan to justice.
Cameos •
Wang Baoqiang as Tang Ren () (Season 1 & Season 2) •
Liu Haoran as Qin Feng () (Season 1 & Season 2) •
Xiao Yang as Kun Tai () (Season 1 & Season 2) •
Yuxian Shang as Kiko (Season 1) •
Zhang Shi as Dulang () (Season 1 & Season 2) •
Tony Jaa as Jack Jaa (Season 2) •
Janine Chang as Ivy () (Season 2)
Additional Cast Season 1 - Mandala's Dance (Episodes: 1-4) • Xie Wenxuan as Lin Shuiqing • Wang Zhener as Ah Wen • Gao Ye as Di Nan • Huang Kaijie as Qin Jun • Dai Mo as Pei Shan • Wang Yang as Cha Ya •
Deng Enxi as Xiao Ai
Season 1 - Name of the Rose (Episodes: 5-8) •
Janine Chang as Ivy • Zhang Yishang as Sa Sha •
Zhang Songwen as Wen Song • Chen Yusi as An Qi •
Deng Enxi as Xiao Ai •
Chang Shih as Du Lang • Zhang Jingwei as Kun Da •
Chang Kuo-chu as Lao Yu •
Marc Ma as Jia De • Hu Lianxin as Mei Xin
Season 1 - Ghost Invitational (Episodes: 9-12) •
Chen Zheyuan as Yetian Hao'er/Noda Koji •
Cheng Xiao as Lu Qingqing • Ma Boqian as Shan Ben You Tai • Li Mingxuan as Liu Feng • Cui Yuxin as Cheng Tianshun •
Huang Jianwei as Lao K •
Bryant Chang as Ah Ji • Kao Yinghsuan as Diao Delong •
Ding Chuncheng as Wu Xichao • Yen Tsao as Li Chang E • Shi Mingshuai as Ma Guoqiang • Wang Keyuan as Xiao Fei • Ye Ziqi as Da Wang • Suo Lang Mei Qi as Er Wang • Dong Nina as San Wang • Guo Jiamin as Si Wang • Xiao Ai as Wu Wang • Clara as Beauty
Season 2 - Angel's Melody (Episodes: 1-5) • Yi Tian Xiong as Sha Ma •
Lynn Hung as Dai Xi • Deng En Xi as Xiao Ai • Fu Jun as Pianist • He Nan as Miss Mao • Zhou Chu Chu as Nan Xi • Zhai Wen Bin as A Lai • Jackson Lou as Hospital Director •
Marc Ma as An Song • Ge Yi Ming as An Song (young) • Wang Yi as Ying Hua • Yuan Ya Xuan as Ying Hua (young) • Shang Bo Jun as Ying Hua's stepfather • Li Yun as Ying Hua's mother •
Tony Jaa as Jack Jaa •
Zhang Yishang as Sa Sha • Zhou De Yang as Dentist
Season 2 - Devil's Breath (Episodes: 6-8) • Raymond Chiu as Na Wen • Meng Zhi Xu as Xiao Cha • Tanny Tien as Huang Po • Zhang Bo Jia as Tina • Chang Shih as Du Lang • Lei Guan Ming as Yan Jing • Tian Yi Feng as Bi Tou • Xu Dong as A Ming • Zhou Hong as Man Di • Cao Yang as A Ming's mother • He Xin Lin as Huang Po's daughter • Zheng Ying Xian as Huang Po's granddaughter •
Cheryl Yang as A Xin • Jia
Hong Wei as Ji Layu • Sun Yi Ming as Kang Song • Mei Xue as Na Mu • AWAN ARSHAD IQBAL as Ao Yi
Season 2 - Amusement Park (Episodes: 9-12) • Yvonne Yung as Wang Jiaoyun • Alex To Delfino as Fa Nan •
Rong Zishan as Neo • Li Xing Yao as Shao Feifei • Chen Hua Feng as Chen Yixin • Yang Tian Ming as Xu Jiayuan • Wang Yi as Shao Feifei's mother • Bu Wen Hui as Shao Feifei's father • Min Jian as Li Can • Michael Tong as Zhuang Yan • Wang Yi Lun as Wu Zhiyuan • Rao Xue Jing as Wang Xiaoke • Lu Mian Da as Receptionist Manager • Sun Yi Han as Fang Siya • Zhang Bo Jia as Tina
Season 2 - Golden City (Episodes: 13-16) • Jackie Lui as Chen Jinghan • Xia Zi Xuan as Chen Jinghan (young) • Yvonne Yung as Wang Jiaoyun • Zhang Bo Jia as Tina • Yue Xin as Qiao Shanshan • Yin Zi Wei as Huang Hai • Andrew Lien as Qiao Qingshan • Li Xiang as Hui Jiezhi • Min Jian as Li Can • Chen Hua Feng as Chen Yixin • Yang Tian Ming as Xu Jiayuan • Jiang Yun Lin as Ouyang Zhi • Hu Hao Fan as Police • Yang Tian Qi as Police • Yang Ming Yi as Chen Jinghan's father • He Yu Tong as Chen Jinghan's mother • Ding Si Bo as Chen Jinghan's younger brother • Qiao Hua as Chen Jinghan's younger sister == Production ==