DoctorsSeries 15Episode 130: Trick or TreatBBC One Duration: 28 minutesFirst broadcast: Thu 31st Oct 2013, 13:45 on BBC One HDLatest broadcast: Thu 31st Oct 2013, 13:45 on BBC One WalesIt is Halloween in Letherbridge, and Heston presents three tales of terror for the viewing audience, all for the delight of an unseen watcher.ContributorsDr Heston Carter:Owen BrenmanDr Jimmi Clay:Adrian Lewis MorganDr Al Haskey:Ian MidlaneDamian Bleake:Freddie JeeDr Kevin Tyler:Simon RiversDr Jas Khella:Vineeta RishiMandy Marquez:Danielle HenryChris Reid:Nathan WrightHoward Bellamy:Ian KelseyKaren Hollins:Jan PearsonRob Hollins:Chris WalkerVlad:Michael VivianCarrie:Mary CooperSeries Producer:Mike HobsonSeries Producer:Peter Eryl LloydProducer:Caroline BrittainDirector:David BeauchampWriter:Rob KinsmanGenresDramaMedicalDramaSoapsBrandDoctorsSeriesDoctors: Series 15 Source: BBC Online