The Vogue Theater in San Francisco, which still hosts a "Mostly British" festival, might do well to try a Brit-noir series...every second Thursday, or something like that.

These two would be good entries in such a schedule...

https://www.filmaffinity.com/au/filmimagesnojs.php?movie_id=477317
THE OCTOBER MAN

https://www.filmaffinity.com/au/filmimages.php?movie_id=216497
CAST A DARK SHADOW