In today’s installment of “Where in the world is ‘Black Mass’ filming?” we head to Lynn, where Benedict Cumberbatch shot St. Patrick’s Day-themed scenes, reports The Boston Globe.

Photos of Cumberbatch, clad in a suit adorned with a green carnation, have surfaced on Twitter and show the actor marching at the head of a fake St. Paddy’s parade.

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Did you spot Cumberbatch or the crew in Lynn? Let us know in the comments.