•
Simon Yam as Fei Xin, a detective of high intelligence. •
Wallace Huo as Xie Tianyou, a hacker. • Wallace Huo as Qiu Le, a police officer. •
Jang Hyuk as Ou Jian, a software designer. • Rayza as Nan Fang, a fairy tale young writer. • Che Xiao as Shen Jiamei, a fashion designer, Du Bi's wife and Nan Fang's best friend,
Special appearance •
Jack Kao as Du Bi, the gang leader. •
Andrew Lin as Chen Chaoyi, a detective. • Han Ji-seok as South Korean gang young leader. •
Aisa Senda as Tang Shan • Fu Lei as Director Wu ==Production==