Forensic Heroes IV

Ko On (Dr. Ko)

Man Ka Hei (Dr. Man)

Shui Wai Ming (Queen)

Kwok Fai Wong (King Sir)

Ko Jing

Charm Ting

Tsui Yi (Chris)

Hau Man Li (Monique)

Sze Kin Yin (Stan)

Long Siu Tin

Long Ying Suet

Yan Hong (Scarlet)

Ho Chi Yiu (Kelvin)

Chan Sam

Cheung Yee Ling (Elaine)

Poon Cheuk Fei

Koo Wing Kin

Nam Ka Mei (Sammy)

Michael Ma

Poon Man Leung

Cheung Shuk Man

Chu Hoi Chun

Lai Chun Yu

Chau Hau