The Harry Potter and the Prisoner of Azkaban star will team up with Sarah Parish, Charlie Higson, Roy Hudd, and Julie Hesmondhalgh for the eight-part, third and final season of the dark drama.

David Tennant and Olivia Colman will return as detectives Alex Hardy and Ellie Miller.

Filming will take place in Dorset, Bristol and Somerset, England this summer (16), according to the BBC.