Features Mark Williams as Father Brown, Sorcha Cusack as Mrs. McCarthy, and Emer Kenny as Bunty. Guest stars include Cal MacAninch as George Oakley and James Anderson as William Helmsley.

, titled " The Tower of Lost Souls ," serves as the high-stakes season finale of the eighth series. Originally airing on January 17, 2020 , it is particularly notable for featuring the return of two former leading characters: Chief Inspector Valentine (Hugo Speer) and Chief Inspector Sullivan (Tom Chambers). Plot Overview

To clear Valentine’s name, Father Brown must team up with both Valentine and Sullivan to uncover a dark family secret at Helmsley House involving eccentric beliefs and long-held grudges. Key Production Details

Fans and critics have praised the episode for its "nostalgic" feel, bringing together multiple generations of the show's police inspectors to work alongside the titular priest. Full cast & crew - Father Brown - IMDb

The titular "Helmsley Tower" was filmed at the iconic Broadway Tower in Worcestershire.