O記重案實錄

Danny Lee Sau-Yin

Inspector San Lee

Anthony Wong Chau-Sang

Ho Kin Tung

Cecilia Yip Tung

Cindy

Parkman Wong Pak-Man

Beard

Ricky Wong Chun-Tong

Inspector Lam

Louis Fan Siu-Wong

Tak

Lee Fai

Female detective

Elizabeth Lee Mei-Fung

Anna

Roy Cheung Yiu-Yeung

Inspector Chiu

Louis Koo

Tung's underling

Eric Kei Ka-Fat

Lin

Lung Tin-Sang

Reporter

Kingson Shek Siu-Lun

Chung

Stephen Chan Tak-Gwong

Mainland Arms Dealer

Roderick Lam Chung-Kei

OCTB member