On October 26th 2020, scenes were filmed at Bonchurch Garage in Bonchurch, Isle of Wight. Scenes were filmed at Nodehill school on Friday 23rd October 2020.
Completely unrelated to the 1974 horror-whodunit of the same title. It's loose adaptation of the 1938 novel, which was previously filmed as the French film Que la bête meure (1969), directed by Claude Chabrol, and the Argentinian film Que la bête meure (1952).
This mini-series derives (very loosely) from a famous mystery thriller of the 1930s written under a pseudonym by the future Poet Laureate Cecil Day-Lewis, the father of actor Daniel Day-Lewis. The protagonist of the story is a white man, "Frank Cairns", not a woman of color ("Frances Cairns").
Cush jumbo's character drives vehicle number LA56EYX, a VOLVO V50.