Episode 3 S01 E03

Will Poulter (as Bobby Jones) Lucy Boynton (as Frankie Derwent) Maeve Dermody (as Moira Nicholson) Conleth Hill (as Dr Alwyn Thomas) Daniel Ings (as Roger Bassington-ffrench) Jonathan Jules (as Ralph 'Knocker' Beadon) Alistair Petrie (as Rev Richard Jones) Nicholas Asbury (as Mr. Angel) Morwenna Banks (as Amelia Cayman) Miles Jupp (as Henry Bassington-ffrench) Amy Nuttall (as Sylvia Bassington-ffrench) Paul Whitehouse (as Askew)

based on novel or book murder mystery