Yesterday, the crew of “Boston’s Finest’’ filmed scenes for its pilot at the South End Buttery. The detective show will star Katee Sackhoff of “Battlestar Galactica’’ and “24’’ fame, as well as Goran Visnjic, of “ER,’’ Nia Long, of “Third Watch,’’ and Treat Williams, who has been in just about everything. In other pilot news, “The Quinn-Tuplets,’’ a show starring Amber Tamblyn of “The Sisterhood of the Traveling Pants’’ and Anna Chlumsky of “My Girl,’’ is set to film scenes today in Lowell.









