The Young Americans (1993)

Director: Danny Cannon
Cast: Craig Kelly, Harvey Keitel, Iain Glen, John Wood, Keith Allen, Terence Rigby, Thandiwe Newton, Viggo Mortensen

Synopsis:

Experienced New York Police Detective John Harris is sent to London to help a local task force investigate a series of gangster killings organized by a new player in town, an American.With the help of a young teen wronged by gangsters, Harris navigates London’s seedy, drug-fueled underworld in order to take down its new criminal empire.