Peter LiapisGary Redner
Danny Lee Sau-yinInspector Bong
Tommy WongInspector Tang
Vernon WellsHannibal
Olivia HusseyRebecca Ecke
Louis RothAlex Vladovich
Rosamund Kwan Chi-LamAnn Chang
MarsTiger
Victor Hon KwanDiem
Dean HarringtonCallahan
Mark KingSimon
Jonathan IsgarIamWhy it may be worth watching
- Undeclared War combines Action and Thriller elements in one feature.
- The principal cast includes Peter Liapis, Danny Lee Sau-yin, Tommy Wong.
Movie
Undeclared War
A Hong Kong Special Branch cop and a CIA agent reluctantly team up to bring down a major international terrorist.
More detailsPeople
Cast
Viewing guide
Is Undeclared War right for you?
Who may enjoy it
Best suited to viewers looking for Action, Thriller, Crime.
Content notes
A regional age classification is not currently listed. Metadata signals include violence or peril. Ratings vary by country; use this as a quick screening note rather than a complete parental guide.
Viewing guidance uses the title details shown on this page; classifications may differ by region.
Community
Reviews
No reviews yet. Be the first to share what you think.
Log in to write a review.
Videos
Related videos
Crime
Family
Romance
From FMM Reviews
More stories about movies and television
TV guide
Sound Check (2021): Series Review, Plot, Cast and Episodes
This Sound Check (2021) review examines the talk and reality series through its premise, storytelling, cast, performances, themes, production choices and audience response.
Read the full guide 
TV guide
Alıkara (2026): Series Review, Plot, Cast and Episodes
This Alıkara (2026) review examines the crime and drama series through its premise, storytelling, cast, performances, themes, production choices and audience response.
Read the full guide 
TV guide
The Tonight Show Starring Jimmy Fallon (2014): Series Review, Plot, Cast and Episodes
This The Tonight Show Starring Jimmy Fallon (2014) review examines the comedy and talk series through its premise, storytelling, cast, performances, themes, production choices and audience …
Read the full guide 
Paul Chu Kong
Amin Baahmed
Johnny Flynn
Olivia Colman
Agnez Mo
Kathleen Robertson
Lisa-Marie Koroll
Scarlet Rose Stallone
Tian Xiwei
Tom Holland
Alan Ritchson
Anne Hathaway