
A Hong Kong Special Branch cop and a CIA agent reluctantly team up to bring down a major international terrorist.
Does Undeclared War have end credit scenes?
No!
Undeclared War does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Undeclared War, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Mark King
Simon

Danny Lee
Inspector Bong

Olivia Hussey
Rebecca Ecke

David Hedison
US Ambassador

Vernon Wells
Hannibal

Peter Liapis
Gary Redner

Mars
Tiger

Ringo Lam Ling-Tung

Chan Tat-Kwong
Cop

Ewa Wiśniewska
Ambassador's Wife

Tommy Wong
Inspector Tang

Andrzej Szenajch
Priest

Ernest Mauser
Man/Police Officer

Rocky Lai Keung-Ken

Rosamund Kwan Chi-Lam
Ann Chang

Jameson Lam Wa-Fan
Special Branch Officer

Jonathan Isgar
Iam

Louis Roth
Alex Vladovich

Wong Gwong-Fai
Cop

Ng Kwok-Kin
Policeman

Jack Suen Kwok-Ming
Guard

Victor Hon Kwan
Diem

Dean Harrington
Callahan

Robert Brad
Robert

Stuart Smith
Colin

Danuta Kowalska
Godmother

Wellington Fung Wing
Mainland Police Officer

Leung Chung
Barkeeper

James M. Crockett
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Read the complete plot summary of Undeclared War, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
During a tense moment of international tension in Hong Kong, what appears to be Warsaw’s liberation army—a group cloaked in revolutionary rhetoric—reveals its true terrorist intent: to stage a bombing during the visit of US business delegates and force a dramatic political statement on the world. The clues reach the CIA, and they promptly dispatch [Peter Liapis] to Hong Kong to stop the conspiracy, a move that immediately drags the local authorities into a high-stakes game of cat and mouse.
The operation pairs two very different kinds of law enforcement. The Hong Kong Police send Inspector Bong, a capable officer from a different world of policing, to assist Redner. At first, their methods clash—one favors measured, surgical strategies, the other leans on bold, improvisational moves—yet over time their professional friction grows into a mutual respect and a genuine bond that fuels their teamwork.
As the investigation unfolds, Redner and Bong uncover a chilling plan: the terrorists intend to sabotage a media organization’s party and, in doing so, dismantle the city’s sense of safety while aiming to annihilate Warsaw’s liberation army members. The stakes rise quickly as the clock ticks, forcing the pair to navigate a web of political pressure, undercover dangers, and sudden twists that test their resolve and trust in one another.
The danger becomes personal when Hannibal, a ruthless figure at the helm of the assault, breaches the television news department and takes staff hostage. Among the captives is Ann Chang, the girlfriend of Inspector Bong, portrayed by [Rosamund Kwan Chi-Lam]. The hostage crisis elevates the urgency for Redner and Bong, who must race against time to prevent a broadcasted catastrophe that could ripple across the globe.
As the drama climaxes, Tang—one of the newsroom staff—reveals a devastating betrayal: he has been bribed by the terrorists and turns his gun toward his colleagues. The confrontation escalates into a tense showdown, and Tang makes the ultimate sacrifice to give the police the chance to close in. The capture of Hannibal follows, and the ensuing detonation of a grenade marks the downfall of the Warsaw’s liberation army’s violent plot.
In the aftermath, the two police officers emerge wiser and vindicated, having forged a hard-won friendship through vigilance, courage, and an unwavering commitment to protect civilians under pressure. The film blends procedural detail with high-stakes action, offering a careful portrait of how two very different worlds can converge to thwart a threat that seeks to bend reality to fear. The story keeps its focus on character, loyalty, and the price of choosing the right path when every second counts, delivering a long, immersive tale that stays true to its roots while expanding on the stakes, relationships, and sacrifices that define the mission.

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