T-Men (1947)
Two U.S. Treasury ("T-men") agents go undercover in Detroit, and then Los Angeles, in an attempt to break a U.S. currency counterfeiting ring.
Wild Side (1996)
A bank accountant who moonlights as a high-priced call girl becomes embroiled in the lives of a money launderer, his seductive wife, and his bodyguard.
Dangerous Heart (1994)
A cop begins to turn to booze and cocaine during a tough undercover assignment. When a big drug-buy goes sour and the cop ends up with a million in cash, he decides to take off with the money. The drug dealer catches up with him, but he dies before revealing where he stashed the cash. Months later, the drug dealer finds the cop's wife and seduces her, in an effort to find his missing million. In the process, he falls in love with her and alienates his former partners in crime.
The Alphabet of Fear (1961)
In order to gather informations about high-ranking collaborationist official, the resistance movement sends a girl to spy on him. She uses the cover of illiterate chambermaid from the country. In the beginning nobody is suspicious, but her cover would be endangered when the official's daughter starts to teach her reading.
Strapped (1993)
Ex-con attempting to go straight runs across serious problems. His girlfriend gets arrested for dealing crack to an undercover police officer. In a desperate attempt to get the charges dropped against his woman, he strikes a deal with a weapons cop to turn in local gun dealers. However, the D.A. is not satisfied with the results, resulting in some serious game playing and double crossing.
From Paris with Love (2010)
James Reese has a good job as an ambassador's aid in France, but his real passion is a side gig—working in a minor role in the CIA. He would love to be a full-fledged agent and can't believe his luck when he lands an assignment with Charlie Wax. Trigger-happy Charlie soon has James crying for his desk job, but when he learns that the same guys they're trying to catch are after him, James realises that Charlie may be his only hope of survival.
Cruising (1980)
When New York is caught in the grip of a sadistic serial killer who preys on patrons of the city's underground bars, young rookie Steve Burns infiltrates the S&M subculture to try and lure him out of the shadows.
Bullets or Ballots (1936)
After Police Captain Dan McLaren becomes police commissioner, former detective Johnny Blake publicly punches him, convincing rackets boss Al Kruger that Blake is sincere in his effort to join the mob. "Bugs" Fenner, meanwhile, is certain that Blake is a police agent.
Dogfight: Stray Dogs' Elegy (2000)
A cocaine deal is about to go down between yakuza and Hong Kong triad gangsters and a small time porn peddler is used as a mole by a dirty cop.
Behind the Mask (1932)
A Secret Service agent nabs a scalpel-happy doctor who runs drugs in caskets.
The Mob (1951)
An undercover officer tracks waterfront corruption from California to New Orleans and back.
Lured (1947)
Sandra Carpenter is a London-based dancer who is distraught to learn that her friend has disappeared. Soon after the disappearance, she's approached by Harley Temple, a police investigator who believes her friend has been murdered by a serial killer who uses personal ads to find his victims. Temple hatches a plan to catch the killer using Sandra as bait, and Sandra agrees to help.
Bulletproof (1996)
An undercover police officer named Rock Keats befriends a drug dealer and car thief named Archie Moses in a bid to catch the villainous drug lord Frank Coltan. But the only problem is that Keats is a cop, his real name is Jack Carter, and he is working undercover with the LAPD to bust Moses and Colton at a sting operation the LAPD has set up.
Along Came a Spider (1970)
Dr. Janet Furie comes to believe that her husband and fellow scientist were set up to die in a lab accident. She blames another scientist, not only for the murder but also for taking credit for her husband's groundbreaking work. When she can't prove her husband was murdered, she spins a web of intrigue and deceit that results in the suspected scientist being framed for another murder that never actually happened.
Infernal Affairs II (2003)
In this prequel to the original, a bloody power struggle among the Triads coincides with the 1997 handover of Hong Kong, setting up the events of the first film.
Hard Justice (1995)
When A.T.F. agent Nick Adams goes undercover in a prison to unravel the mystery of a fellow agents death there. Warden Pike and his pet goons are involved in all kinds of corrupt activities; dope dealing and gun smuggling to name a few.
White Chicks (2004)
Two FBI agent brothers, Marcus and Kevin Copeland, accidentally foil a drug bust. To avoid being fired they accept a mission escorting a pair of socialites to the Hamptons--but when the girls are disfigured in a car accident, they refuse to go. Left without options, Marcus and Kevin decide to pose as the sisters, transforming themselves from black men into rich white women.
10th & Wolf (2006)
A former street thug returns to his Philadelphia home after a stint in the military. Back on his home turf, he once again finds himself tangling with the mob boss who was instrumental in his going off to be a soldier.
Hollywood Homicide (2003)
Joe Gavilan and his new partner K. C. Calden, are detectives on the beat in Tinseltown. Neither one of them really wants to be a cop, Gavilan moonlights as a real estate broker, and Calden is an aspiring actor moonlighting as a yoga instructor. When the two are assigned a big case they must work out whether they want to solve the case or follow their hearts.