The Viral Factor— Full Cast

Jay Chou

as Jon

Nicholas Tse Ting-Fung

as Man Yeung

Lin Peng

as Rachel

Michelle Bai

as Ice

Andy On Chi-Kit

as Sean

Liu Kai-Chi

as Man Tin

Carl Ng Ka-Lung

as Ross

Sammy Hung Tin-Chiu

as Mark

Philip Keung Ho-Man

as Russell

Crystal Lee

as Champ

Elaine Jin Yan-Ling

as Jon's Mother

Deep Ng Ho-Hong

as Man Yeung's Former Partner

Zhang Ran

as Wang Xiaojie

Jess Teong

as Rachel's Mother

Thomas Cheung Kwok-Leung

as Russell's Henchman