Season 12 could be the end for two of Father Brown‘s beloved characters ... and this time we are on a secret mission from the Vatican,” Williams revealed. “I love the Flambeau episodes ...

She is determined to keep her new relationship with Chief Inspector Sullivan (Tom Chambers) a secret from everyone, although Father Brown (Mark Williams) and Brenda (Ruby-May Martinwood ...

"And when a Cardinal from the Vatican arrives with a top-secret mission for Father Brown, the priest must request the help of his old adversary Flambeau, while a new nemesis lurks in the shadows ...

"And when a cardinal from the Vatican arrives with a top-secret mission for Father Brown, the priest must request the help of his old adversary Flambeau, while a new nemesis lurks in the shadows.” ...

"And when a cardinal from the Vatican arrives with a top-secret mission for Father Brown, the priest must request the help of his old adversary Flambeau, while a new nemesis lurks in the shadows." ...

Father Brown season 12 is in full swing but who are the guest stars gracing the third episode? Mark Williams, known for his role in Harry Potter, returns as the devout amateur detective tasked ...