The Viral Factor

Crime, Action

Bai Bing	Ice
Sammy Hung	Mark
Philip Keung	Russel
Andrew Dasz	Villain
Steven Dasz	Jordan Mercenarie
Anthony Sandstrom	Villain
Jay Chou	Jon Wan
Nicholas Tse	Wan Yang
Lin Peng	Rachel
Ling Bai	Ice
Liu Kai-Chi	Jon and Wan Yang's father
Elaine Jin	Jon and Wan Yang's mother
Brad Dirk Martin	Russian Hitman
Andy On

Director	Dante Lam
Producer	Candy Leung
Writer	Dante Lam; Candy Leung
Cinematography	Kenny Tse
Musician	Peter Kam

International criminal cop Jon Wan (Jay Chou) must find and battle against his long-lost older brother Wan Yang (Nicholas Tse), who has become a criminal.