William McGregor Director, Writer Eleanor Worthington-Cox Gwen Actor Maxine Peake Elen Actor Richard Harrington Edward Morris Actor Mark Lewis Jones Mr Wynne Actor Kobna Holdbrook-Smith Doctor Wren Actor Richard Elfyn Minister Bowen Actor Gwion Glyn Harri Morris Actor Dyfrig Evans Father Actor Jodie Innes Mari Actor Hilary Bevan Jones Producer Tom Nash Producer Adam Partridge Executive Producer