Rachel Flowerday Creator Tahsin Guner Creator Mark Williams Father Brown Actor John Burton Sergeant Goodfellow Actor Ruby May Martinwood Brenda Palmer Actor Claudie Blakley Mrs Devine Actor Tom Chambers Chief Inspector Sullivan Actor Toby Longworth Uncle Mirth , Julius Kirkov Actor Rafaela Nicolay Gwen Kirkov Actor Phil Cornwell Kount Volker Actor Matilda Ziegler Mildred Gramby Actor Rene Zagger Eric Gramby Actor Lol Fletcher Writer Neil Irvine Executive Producer David Innes Edwards Producer Miranda Howard-Williams Director