Mark Williams Father Brown Actor Sorcha Cusack Mrs McCarthy Actor Nancy Carroll Lady Felicia Actor Paul Bown Mordaunt Jackson Actor Robert Daws Robert Twyman Actor Amy Noble Rosie Everton Actor Oscar Dunbar Calvin Twyman Actor John Burton Sergeant Goodfellow Actor Jack Deam Inspector Mallory Actor Dean Williamson Lester Wallace Actor Alex Price Sid Carter Actor Al Smith Writer Caroline Slater Producer Paul Gibson Director Will Trotter Executive Producer