Main Characters Ricky Boleto 1 main appearances John Craven Lucy Mathen Paul McDowell Howard Stableford Roger Finn Helen Rollason Terry Baddoo Juliet Morris Krishnan Guru-Murthy Paul Welsh Julie Etchingham Chris Rogers Kate Sanderson Lizo Mzimba Matthew Price Becky Jago Lizzie Greenwood-Hughes Rachel Horne Laura Jones Adam Fleming Thalia Pellegrini Ellie Crisell Jake Humphrey Sonali Shah Helen Skelton Gavin Ramjaun Barney Harwood Ore Oduba Nel Hedayat Leah Boleto Martin Dougan Hayley Hassall Jenny Lawrence Ayshah Tull Nazia Mogra