21:00Silent WitnessSeries 15Part 2: Fear, Part 2BBC One Duration: 1 hour Audio described Mon 30th Apr 2012, 21:00 on BBC One CambridgeshireAvailable for yearsWatch nowNikki and Harry track down the Catholic nun behind the exorcism, only to find that John now believes he's possessed - but can he be saved?ContributorsProfessor Leo Dalton:William GaminaraDr Nikki Alexander:Emilia FoxDr Harry Cunningham:Tom WardSean Delaney:Adrian DunbarEve Gilston:Jodie ComerBeth Gilston:Tamzin OuthwaiteFather Jacobs:Tom EllisDS Brooks:Nina SosanyaAnthony Gilston:Mark LetherenJohn Gilston:Joshua Nonet-BlackDr Broadwood:Mandana JonesFiona Landsley:Amanda BoxerYoung Eve:Maisie LloydYoung John:David EvansProducer:Lachlan MacKinnonDirector:Mike BarkerWriter:Dudi AppletonWriter:Jim KeebleGenresDramaCrimeBrandSilent WitnessSeriesSilent Witness: Series 15 Source: BBC Online