Suspect

Nick Cheung Ka-fai

Kwok Man Bun / Zero / Kwok Man Shing

Zhang Yishang

May Chou

Patrick Tam Yiu-man

Wong Sir

Niki Chow Lai-kei

Lee Wai Lam

Liang Yongqi

Kevin

Sammy Hung Tin-chiu

Ma Tong Tat

Tong Man-lung

James

Jiang Shan

Lau Chi Wai

Bao Wenjing

Chor Hei

Du Juan

Director of the Orphanage

Wang Zun

Peter

Lam King-Kong

Lawyer