Rachel Flowerday Creator Tahsin Guner Creator Mark Williams Father Brown Actor Hugo Speer Inspector Valentine Actor Sorcha Cusack Mrs. Mccarthy Actor Alex Price Sid Carter Actor Nancy Carroll Lady Felicia Actor Tom Chambers Inspector Sullivan Actor Harry McEntire Frank Albert Actor Adrian Scarborough Clive Trueman Actor Natasha Little Harriet Greensleeves Actor Ron Donachie Jock Hamilton Actor Gareth Hale Commissioner Busby Actor John Burton Sgt. Goodfellow Actor Will Trotter Executive Producer Trudy Coleman Producer Debbie Wiseman Music