2. Zhuokai Michael Miu plays: coffee shop owner, Mo Xianqing's husband and former head of criminal intelligence department.
3. Wei Desen/Wei Zuorong plays: the chief investigator of the Security Bureau, whose real name is Wei Deli, is Ann's subordinate and Xu's boss, who has a good impression on and pursues.
4. Xu's subordinates An and Wei play. He worked in Interpol for two years and joined the newly established intelligence agency of the Security Bureau at the invitation of Wei.
5. Zhang Jizhi Huang Zhiwen plays: chief inspector, secret liaison, scholar syndrome patient.
6. Zheng He plays: undercover policeman/sheriff.
7. Cai, played by Dou Yaxi, is undercover and then defected.
8. Qin Huanxi Xu Shaoxiong plays: former Hong Ying club owner/former Japanese restaurant "Qianshuige" owner/former Fuhe club owner/former Fuhe seafood restaurant owner/former criminal intelligence inspector.
9. Pang Haoyang Zhang Zhenlang plays: Brother Haoyang, a member of Chonglian Club, the boss of an information technology company, and has emotional connection with Dou Yaxi.
10, played by Wang Yongxiang and Hong Yongcheng: plainclothes policemen, subordinates of Zhuo Kai.
1 1, played by Zhang Yu _ Lian Shiya: undercover police officer, under Zhuo Kai.
12, played by Lan Xuanzang: Xue's subordinate, employee of pedicure shop.