THOSE BRITS — so polite, so reserved, so murderous.

Brit Noir” continues at the National Gallery of Art this month with screenings of Jules Dassin’s essential “Night and the City” (Fri., 3 p.m.), starring bad guy Richard Widmark in an iconic role as a club owner who gets in over his head with even badder guys.

On Saturday, catch Joseph Losey’s angular, jazz-tinged “The Criminal” (2 p.m.), based on the life and rough times of a real mobster.

» National Gallery of Art, 400 Constitution Ave. NW; series runs through Nov. 29, free; 202-842-6799, nga.gov. (Archives-Navy Memorial)

Photo courtesy the Everrett Collection