13:45DoctorsSeries 15Episode 150: The House on Coppertree HillBBC One Duration: 28 minutes Thu 28th Nov 2013, 13:45 on BBC One Northern IrelandValerie helps out an old friend, but uncovers a dark secret from the distant past. Meanwhile, Jas frets over an interview and Chris gets recruiting.ContributorsValerie Pitman:Sarah MoyleEllen Evison:Alison PettittRon Evison:Michael BertenshawChris Reid:Nathan WrightDr Heston Carter:Owen BrenmanDr Jimmi Clay:Adrian Lewis MorganDr Daniel Granger:Matthew ChambersDr Zara Carmichael:Elisabeth Dermot WalshDr Emma Reid:Dido MilesDr Kevin Tyler:Simon RiversDr Jas Khella:Vineeta RishiDr Al Haskey:Ian MidlaneMandy Marquez:Danielle HenryHoward Bellamy:Ian KelseyMrs Tembe:Lorna LaidlawAran Chandar:Davood GhadamiTilly Birch:Victoria BewickSeries Producer:Mike HobsonSeries Producer:Peter Eryl LloydProducer:Caroline BrittainDirector:David BeauchampWriter:Angela ChurmGenresDramaMedicalDramaSoapsBrandDoctorsSeriesDoctors: Series 15 Source: BBC Online