Guest Stars Shonagh Price as Mrs Maron Dijarn Campbell as Ethan Prendergast Ellie Botterill as Lizzie Warren Jade Chan as Sophie Johnson Jordan Cramond as Tyler Warren Jordan Rankin as Blake Vinney Lori Stott as Angelika Maron Sally Oliver as Mary Warren Kevin O'Loughlin as Rick Warren Manjot Sumal as Mr Wasu Clare Waugh as Julie Vinney Sarah Paul as Auntie Beryl Charlotte Beckett as Dinah Ewan Mitchell as Jakub Jasmine De Goede as Young Dinah Jennifer Hartland as Police Officer Lisa Livingstone as Journalist Terrence Hardiman as Original Headmaster Hywel Morgan as Prime Minister John Winchester as Police Officer