Outside the historic venue there were a group of men dressed as what looks like soldiers or riot police as well as a number of other extras.
Emilia joins Samuel L Jackson, Cobie Smulders, Kingsley Ben-Adir and Ben Mendelsohn in the Disney+ series, which is also said to star Olivia Coleman.
Filming has been taking place across Halifax this week at various locations including Dean Clough and King Cross Street in the town centre.
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