While investigating police corruption in his department, undercover cop Buster McHenry is forced to participate in a heist, leading to innocent casualties and the theft of an ancient Lakota tribal spear. After McHenry ends up severely wounded, he is taken in by Native American Hank Storm, who is out to recover the spear and avenge the death of a loved one in the heist.
Kiefer Sutherland, Lou Diamond Phillips, Jami Gertz, Robert Knepper, Bill Smitrovich, Peter MacNeill, Floyd 'Red Crow' Westerman, Joseph Griffin, John Di Benedetto, Kyra Harper, Joseph Hieu, Dee McCafferty

When Erin Bell was a young cop, she was given an undercover assignment that ended badly and destroyed her life. Years later, she must face her demons in order to make peace with her past.
2018

A cop Arul (Arya) is on an undercover mission to capture the underworld don Jothi (Ashutosh Rana) who runs a smuggling mafia in Goa. When both Arul and his friend Chandra (Ramanna) plans to arrest Jothi, things go haywire and the rest of the story tells us whether Arul completes his mission by playing a mind game.
2014

Tom Ludlow is a disillusioned L.A. Police Officer, rarely playing by the rules and haunted by the death of his wife. When evidence implicates him in the execution of a fellow officer, he is forced to go up against the cop culture he's been a part of his entire career, ultimately leading him to question the loyalties of everyone around him.
2008

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.
2007

To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise. While an undercover cop curries favor with the mob kingpin, a career criminal rises through the police ranks. But both sides soon discover there's a mole among them.
2006

On New Year's Eve, inside a police station that's about to be closed for good, officer Jake Roenick must cobble together a force made up cops and criminals to save themselves from a mob looking to kill mobster Marion Bishop.
2005

Set in the ghettos of Paris in 2010, an undercover cop and ex-thug try to infiltrate a gang in order to defuse a neutron bomb.
2004

Hitomi still mourns her fiance who died in a car crash. One day, during a visit to Hong Kong, she bumps into Karbo who looks uncannily like him. Karbo, however, is a fugitive from the police.
1999

Undercover cop Doyle is working on a serial killer case that's left a trail of dead transvestites. Then, moonlighting as a private eye, Doyle and his girlfriend are hired by a rich young man to find his sister. The search leads to her mysterious uncle, and the possibility of becoming the killer's next victim.
1997

Typical low budget action thriller about an undercover cop forced to infiltrate a tough American jail
1995

Following the tragic events of Sting of the Scorpion, Maggie finds herself stripped of her rank and committed to an insane asylum. The crooked cop who put her there offers to procure her release and reinstatement - if she'll go undercover as a bar hostess to spy on the triads. The whole thing's a setup, of course, and soon Maggie is on the run from the law, as well as nursing a bad heroin addiction. She finds refuge in the criminal underworld, where she accepts a job as an undercover assassin. But when her identity is exposed, Maggie has both sides of the law gunning for her life.
1993

After surviving an attempt on his life by his former partner, officer Cliff Garrett (Norris) exacts revenge on those who wronged him by going undercover as a hit man. He works to gain the reputation and trust needed in order to be accepted by the burgeoning Seattle-area criminal underworld, but it is all done in order to take it down from within.
1991

Mason Storm, a 'go it alone' cop, is gunned down at home. The intruders kill his wife, and think they've killed both Mason and his son too. Mason is secretly taken to a hospital where he spends several years in a coma. His son meanwhile is growing up thinking his father is dead. When Mason wakes up, everyone is in danger - himself, his son, his best friend, his nurse - but most of all those who arranged for his death
1990

A ruthless gangster named Don is killed during a scuffle with the police. Since only DSP D'Silva knows of this incident, he recruits Vijay, who is a spitting image of Don, to replace the original Don and infiltrate his gang. D'Silva plans to nab the entire gang, but when he dies during a raid, the secret that Vijay is not Don is also buried with him.
1978

In order to infiltrate a gang of drug smugglers, a cop is sent undercover to participate in a drag-queen beauty contest aboard a cruise ship.
1974

New York cop Frank Serpico blows the whistle on the rampant corruption in the force only to have his comrades turn against him.
1973

Celebrity Sadora is seriously wounded in an air crash. Police commissioner Suen and subordinate Ko Cheung find out Sadora was under duress from the Black Dragon Gang to collude with the criminals who had held his daughter hostage. When Ko, assuming Sadora's identity to safeguard his life, is abducted by the gang, Suen turns to 'Black Musketeer' Muk Lan-fa. By blatantly refusing to cooperate with the authorities, Muk escapes the surveillance of both the police and the gang. Acting alone, she scouts the location of the lair but ends up being imprisoned in the same cell with Ko. The captives use every trick in the book to escape. An undaunted Muk returns to infiltrate the den, while her sister Sau-chen, Suen and Ko are lying in wait. The hostages are released and the gang wiped out in a battle fiercely fought. (Synopsis based on visual audiomaterials)
1966
Leader of the Celestial Devil Gang Mo Fu ends an underling to infiltrate the house of code expert Cheung Yuet-ting in pursuit of the Mafia's secret intelligence. The unyielding man is killed, and the Mafia is framed for the crime. Cheung's instrumental role in the Mafia is succeeded by his daughter Oi-lan, who leads both gangs onto a deadly chase. Just then, Oi-lan's bosom friend Chan Yu-lam emerges from years of oblivion as a Mafia member and offers the wanted woman protection and assistance in retrieving the late father's cache. Mo's underling Lau Kei-fung is assigned the task of playing the confidence game in the Cheung household, preempting Oi-lan from accessing the classified information and abducting both Oi-lan and Chan before the Mafia can reach the key witness. Acting on a tip-off, the police raid the apartment and arrest both gangs. Chan, the undercover police officer, gains both Oi-lan's trust and affection. (Synopsis based on audiovisual materials)
1965

A tough cop meets his match when he has to guard a gangster's widow on a train journey from Chicago to Los Angeles.
1952

An undercover cop finds himself on the wrong side of the law when the mob discovers his true identity.
1941