As well as guest starring as celebrity clergyman 'Roland Wise' Hugh Bonneville is also a huge fan of the show
Miles Jupp studied Divinity at the University of Edinburgh and is the son of a minister.
Tom Hollander (Rev. Adam Smallbone) & Olivia Colman (Alex Smallbone) also worked together on The Night Manager (2016) as Lance Corkoran & Angela Burr respectively.
Tom Hollander and Simon McBurney appeared together again in Mission Impossible: Rogue Nation, as the British Prime Minister and chief of MI-6 Atlee.