This page contains spoilers through the end of the series Disclaimer: All the information here is based on the subtitles.
Da Qing[]
Deputy director, ten-thousand-year-old cat Yashouren.
Zhu Hong[]
Yashou Envoy, Snake Yashouren.
Lin Jing[]
Tech guy, fired in episode 30.
Wang Zheng[]
Accountant, ghost, ends up answering the phone a lot.
Chu Shuzhi[]
Dixingren convict, puppeteer powers, works for SID as part of a deal with the Black Cloaked Envoy.
Guo Changcheng[]
Intern, joins SID in episode 1 at the age of 24. He says that "someone" told him to report there for duty and Zhao Yunlan assumes it's his uncle until he later learns that Guo Changcheng's uncle didn't want him to work with the SID because it was too dangerous.
Sang Zan[]
Archivist, ghost, joins SID in episode 11.
Old Li[]
Makes food, brainwashed Da Qing.
Zhao Xinci[]
Ex-Chief of the SID and Zhao Yunlan's father.