Paul Mendelson Creator, Writer Ardal O'Hanlon George Sunday, Thermoman Actor Emily Joyce Janet Dawkins Actor Geraldine McNulty Mrs Raven Actor Hugh Dennis Dr Piers Crispin Actor Lou Hirsch Arnie Actor Lill Roughley Ella Dawkins Actor Tim Wylton Stanley Dawkins Actor Philip Whitchurch Tyler Actor Moya Brady Avril Actor Peadar Lamb Seamus Actor Anya Sitaram Newsreader Actor John Stroud Director, Producer Paul Mayhew-Archer Writer Geoffrey Perkins Executive Producer Marcus Mortimer Producer Philip Pope Music Graham Hutchings Film Editor