Hsiao-Chi Kuo (played by Wu Kang-ren) is a protagonist in Copycat Killer.
Yun-Huei Hu (played by Ko Chia-Yen) is a protagonist in Copycat Killer.
He-Ping Chen (played by Jack Yao) appears in Copycat Killer.
Yen-Jhen Lu (played by Cammy Chiang) appears in Copycat Killer.
Jia-Wun Shen (played by Fandy Fan) appears in Copycat Killer.
Jian-Ho Hu (played by Hsia Teng-hung) appears in Copycat Killer.
Da-Chao Jhang (played by Phil Hou) appears in Copycat Killer.
Shang-Yong Lin (played by Tou Tsung-hua) appears in Copycat Killer.
