Mark Williams Father Brown Actor Sorcha Cusack Mrs McCarthy Actor Hugo Speer Inspector Valentine Actor James Laurenson Actor Peter Bramhill Actor Clare Higgins Dinah Fortescue Actor Nancy Carroll Actor Lizzy McInnerny Actor Robert Boulter Alan Archer Actor Adam Long Alfred Tatton Actor Tom Chambers Actor Joe Sims Actor Terence Booth Actor Poppy Drayton Actor Richard Hope Sir St John Pryde Actor Alex Price Actor Alice Henley Alice Armstrong Actor Emma Fielding Ada Gerard Actor Keith Osborn Actor Ben Wilby Actor Jonathan Philips Producer Lol Fletcher Writer Dominique Moloney Writer David Semple Writer Paul Gibson Director Matt Carter Director Ian Barber Director Sam Hill Producer Marr Carter Director Will Trotter Executive Producer Jude Tindall Writer Tahsin Guner Writer