The Viral Factor poster
Where to stream

The Viral Factor

5.820122h 2mMovieActionCrimeThriller

Agent Jon contemplates leaving the force until he learns his brother is working as a mercenary for a former colleague who betrayed their team.

DirectorDante Lam Chiu-yin
WritersCandy Leung Fung-Ying·Jack Ng Wai-Lun
ProducersCandy Leung Fung-Ying·Albert Yeung

Where to watch

Not available in United States
Streaming in 14 other countries

The Viral Factor isn't on any streaming service in United States right now, but it's available in Austria, Belgium, France, Germany and 10 more. Streaming rights are licensed per country.

Cast · Directed by Dante Lam Chiu-yin

JCJay Chou
Jay Chou
Jon
NTNicholas Tse Ting-Fung
Nicholas Tse Ting-Fung
Man Yeung
LPLin Peng
Lin Peng
Rachel
MBMichelle Bai
Michelle Bai
Ice
ACAndy On Chi-Kit
Andy On Chi-Kit
Sean
LKLiu Kai-Chi
Liu Kai-Chi
Man Tin
CKCarl Ng Ka-Lung
Carl Ng Ka-Lung
Ross
STSammy Hung Tin-Chiu
Sammy Hung Tin-Chiu
Mark
PHPhilip Keung Ho-Man
Philip Keung Ho-Man
Russell
CLCrystal Lee
Crystal Lee
Champ
EYElaine Jin Yan-Ling
Elaine Jin Yan-Ling
Jon's Mother
DHDeep Ng Ho-Hong
Deep Ng Ho-Hong
Man Yeung's Former Partner

More from Jay Chou · Lead actor

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More from Nicholas Tse Ting-Fung · Co-star actor

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More from Dante Lam Chiu-yin · Director

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Beast Stalker
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The Viral Factor — streaming FAQ

Which OTT platform streams The Viral Factor?

The Viral Factor isn't on any streaming service in United States yet, but it's available in Austria, Belgium and Switzerland and other countries. Streaming rights differ by country — switch your country in the header to see where.

Is The Viral Factor on Netflix?

No, The Viral Factor is not on Netflix in United States as of September 2026.

Is The Viral Factor on Amazon Prime Video?

No, The Viral Factor isn't on Amazon Prime Video in United States right now.

Where can I watch The Viral Factor for free?

The Viral Factor isn't streaming in United States yet, so there's no way to watch it free at the moment.