Roger Kwok Chun-On

Yeung Yat-to / YT

Kenneth Ma Kwok-Ming

Tong Ming

Nancy Wu

Ip Ching

Kelly Cheung

Lui Oi-ling / Yan

Natalie Tong

So Yee / Zoe

Ram Chiang Chi-Kwong

Yu Cham-sum / Samuel

Moses Chan Ho

Lee Man-shun

Willie Wai Ga-Hung

Ho Bing-kwong / Hugo

Virginia Lau

Cheung Ting

Lesley Chiang

Fan Wai-san

Fei Wong

Xu Xiao Yun / "Wendy" [ Resident doctor, Ye Qing's subordinate]

Elizabeth Nicole Wu Mei Yi

Lau Kei Kei [ER nurse]