Tactical Unit: Comrades in Arms

The head of an elite Hong Kong surveillance unit keeps one eye on his rookie apprentice and the other on a notorious criminal he suspects of masterminding a recent jewel heist in this tense thriller from filmmaking duo Johnnie To and Nai-Hoi Yau. Of course, the criminal knows all along he's being watched. But that doesn't stop him from trying to pull off the biggest score of his career.

Hong Kong. When Cao Nan and his group of thieves rob an armored car in broad daylight, they don't hesitate to murder innocent people on the run. Lui Ming Chit, a veteran police inspector, is forced to use sinister tactics to catch them.

Police Inspector Pao is trying to catch Mak Kwan, a gang member who is first arrested, but then escapes from the prison. By chance, Pao realizes that the target of Kwan's gang is the H.K. Jockey Club.

After a disastrous failure to stop a robber gang, the police attempt to redeem themselves through a series of publicity stunts and shootouts.

Laughing (MICHAEL TSE) is formally a police undercover. However due to a drug trafficking case, Inspector Pan (FELIX WONG) is hot on his trails. Before Laughing becomes a police undercover, he works under triad leader Yi (ANTHONY WONG). Yi treats Laughing as his own brother, however to protect his territory and illegal businesses, Yi instructed Laughing to join the police force and act as his undercover. Laughing is a high-flyer in the police academy. However he never got a chance to join the force because he is specially picked by Inspector Xian (YUEN BIAO) to be an undercover in the underworld syndicate. Hence Laughing becomes a “double-undercover”. Yi is happy that Laughing is allocated to the triad of his rival (FRANCIS NG). To make his situation worse, Laughing falls in love with the triad leader’s sister, Karen. Justice, brotherhood and love, what will Laughing decide on? His decision will be a turning point in his life.

A narcotics detective, played by Fred Williamson, lets nothing stand in the way of his bringing down a major drug dealer. After a bust gone awry, he's accused of stealing a lost briefcase filled with money and both the mob and the police are looking for him. A ruthless hit man, played by Bruce Glover, will stop at nothing to get what his boss wants; the money!

LA's finest have crossed the thin blue line between Cop and Criminal. Based on a true story.

A group of desperate Chinese criminals hope to make a quick, effortless score in Hong Kong. Things go afoul, and the gang must hide out until the heat dies down, besmirched with the blood of an undercover cop.

A young Chinese Security Officer, Darren, is called for Team 808, which fights against the smuggling of drugs and corruption. Noriko, a Japanese Interpol officer, collaborates with Darren for the destruction of a large international drug cartel. At the same time, a senior government officer's daughter is suspected of corruption.

Rookie policeman Shing (Louis Koo) grapples with right and wrong in this action-packed story about Hong Kong gangsters. Assigned to go undercover, Shing is so successful in playing the part of a gang member that he becomes right-hand man to gang leader Fei Ling (Andy Lau). Shing comes to respect Fei Ling and question his original motives, but the troubled cop must make a crucial decision before rival gangs and impatient cops move in for the kill.

A cop, a lawyer, and an assassin cross paths after the murder of a federal witness and the kidnapping of a famous pop star.

Jack and Martin are gunmen who work for two rival kingpins. Jack and Martin have been fighting on their bosses behalf for close to a year. When a truce is made both Jack and Martin are cut loose. The two men then decide to join forces and take on the gangsters who used them.

Kit comes from a very fortunate family, with an outstanding police officer father When the family starts to break up, Man impulsively shot Kit's mother. After Kit's parents divorced, Kit viewed Man his father as an enemy. As an adult, he vowed to become a police officer, and to join Man's team, hoping that Man will pay for what he has done. Kit's cousin, Chi falls for Kit since childhood, but Fung falls for Chi at first sight... As he realised that Chi is Kit's girlfriend, he won't express his love for her, making the two embarassing in communication.

Ho Sheung Sang finds himself wrapped up in another cat-and-mouse game, this time against a tricky magician.

Mike, a cop who is becoming increasingly frustrated with his tiresome job with little benefits, whilst the criminals live a life of luxury. He is offered a undercover job to infiltrate a Triad gang led by Boss Tin. Mike slowly becomes engrossed in this world and in Tin's wife.

21 Jump Street revolves around a group of young cops who would use their youthful appearance to go undercover and solve crimes involving teenagers and young adults.

Fastlane is an American action/crime drama series that was broadcast on Fox from September 18, 2002 to April 25, 2003.

Hunter is an American police drama television series created by Frank Lupo, and starring Fred Dryer as Sgt. Rick Hunter and Stepfanie Kramer as Sgt. Dee Dee McCall, which ran on NBC from 1984 to 1991. However, Kramer left after the sixth season to pursue other acting and musical opportunities. In the seventh season, Hunter partnered with two different women officers. The titular character, Sgt. Rick Hunter, was a wily, physically imposing, and often rule-breaking homicide detective with the Los Angeles Police Department. The show's main characters, Hunter and McCall, resolve many of their cases by shooting dead the perpetrators. The show's executive producer during the first season was Stephen J. Cannell, whose company produced the series.

Sergeant “Pepper"” Anderson, an undercover cop for the Criminal Conspiracy Unit of the Los Angeles Police Department, poses undercover from mob girl to prostitute.

Tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation. The title is a popular colloquialism for spies, and the series follows the work of a group of MI5 officers based at the service's Thames House headquarters, in a highly secure suite of offices known as The Grid.

Fun-loving San Francisco Police Department investigator Nash Bridges is part of the elite Special Investigations Unit. He tackles crime using his keen sense of humor and charm. Joe Dominguez comes out of retirement to become Bridges' wisecracking yet more rule-abiding partner.

Sledge Hammer! is an American satirical police sitcom produced by New World Television that ran for two seasons on ABC from 1986 to 1988. The series was created by Alan Spencer and stars David Rasche as Inspector Sledge Hammer, a preposterous caricature of the standard "cop on the edge" character. Al Jean and Mike Reiss, best known for their work on The Simpsons, wrote for the show and worked as story editors.

Dempsey and Makepeace is a British television crime drama made by London Weekend Television for ITV, created and produced by Ranald Graham. The leading roles were played by Michael Brandon and Glynis Barber, who later married each other on 18 November 1989. The series combined elements of previous series such as the mis-matching of British and American crime-fighters from different classes as seen in The Persuaders! and the action of The Professionals.

L.A. Heat is an American action series starring Wolf Larson and Steven Williams as Los Angeles police detectives, in the tradition of films like Lethal Weapon. The series aired on TNT from March 15, 1999.

Two police officers, the older Lt. Stone and the young upstart Inspector Keller, investigate murders and other serious crimes in San Francisco. Stone would become a second father to Keller as he learned the rigors and procedures of detective work.

Leung Siu-Tong is an experienced undercover agent who returns from a long-term assignment in Mainland China to teach new undercover recruits at Hong Kong Police's Criminal Intelligence Bureau (CIB). During this time, he befriends triad member Michael So, who only agrees to the relationship because he sees it as a stepping stone to the role of gang leader. Meanwhile, conflict at the CIB department ensues when Siu-Tong forms a tentative romantic relationship with his supervisor Jodie Chow.

Just an ordinary boy from the Sofia suburbs becomes the first bulgarian undercover cop. Forced by his father when he was young to lie and cheat, Martin becomes the perfect liar. That skill, and also the hatred of the 'underworld' makes him the perfect match for a dangerous mission - to infiltrate the crime organisation of a rich and powerful businessman. While infiltrating and living in fear of being uncovered, Martin falls in love with the most inappropriate woman - Djaro's girlfriend, Suni. Just when he gains the trust of the mobsters, it appears that the real enemy is in the police. Martin is alone against all, facing difficult decisions.

An absurdist, retro-futuristic 80s cop extravaganza. The series follows undercover detective Dazzle Novak, a handsome idiot who commits more crimes than most criminals. His tyrannical chief, Pizzaz Miller, won't get off his back, and hotshot rookie Rad Cunningham is dying to see him fail. With the world against him, Dazzle is thrust into a living nightmare: having to do actual police work.

Chief inspector of Hong Kong’s Criminal Intelligence Bureau, Cheuk Hoi, is suspicious of his close colleague’s mysterious death. Adding to the enigma, he discovers that the five undercover agents who were in constant contact with his dead friend have all vanished.

Family man Joe Petrus is living the American dream with his fiancé and step-kids. However, unbeknownst to them, Joe was involved in a mysterious crime three years ago and now his dangerous past is about to catch up with him. When a killer starts targeting the crew behind the crime, Joe realizes it's only a matter of time before his family is targeted. He returns to London to track down his old gang and find out who is coming after them.