Actress Sarah Lancaster, formerly of “Chuck,” has been added to the cast of “The Judge,” the Robert Downey Jr. movie filming in Massachusetts this summer. No word on whether Lancaster (inset) will come to town for her scenes; she’ll play Downey Jr.’s soon-to-be ex-wife, according to The Hollywood Reporter. The cast of “The Judge” has been filming in Shelburne Falls for the past few weeks and should be in Boston soon. . . . Meanwhile, Denzel Washington continues to be spotted in the Haverhill area where’s he’s filming “The Equalizer.” One fan, Kyle Sandner, tweeted, “just saw and got waved at by Denzel Washington. so cool.” Indeed. . . . Jimmy Buffett, who plays the Comcast Center Saturday, lunched Thursday at Legal Sea Foods in Park Square. . . . The Secret Service swarming the South End the other night? Mayor Tom Menino was having dinner with former secretary of state Hillary Clinton at Hamersley’s Bistro. (Hizzoner had the roasted chicken.) . . . Cherie Blair, wife of former British PM Tony Blair, got coiffed at Mizu at the Mandarin Oriental Boston before her appearance Thursday at Wheelock College.