21:00Silent WitnessSeries 15Part 2: Redhill, Part 2BBC One Duration: 1 hour Audio described Mon 23rd Apr 2012, 21:00 on BBC One OxfordshireAvailable for yearsWatch nowDrama series. While Harry and Nikki investigate DI Bridges, Leo puts himself in danger when he follows his instincts and trails violent prison officer Kessler.ContributorsProfessor Leo Dalton:William GaminaraDr Nikki Alexander:Emilia FoxDr Harry Cunningham:Tom WardJanet:Jaye GriffithsDaniel Kessler:Leo GregoryDI Bridges:Gillian KearneyMiriam Wade:Juliet AubreyPeter Kruger:James BarriscaleDr Tom Ross:Dorian LoughRachel Kruger:Juliette CheveleyEllis Roberts:Simon MullerBenjamin Johnson:Tyronne LewisSharon Roberts:Jane CameronGordon Cairns:Stephen GreifDS Tudor:Ewan BaileyAlex Bridges:Malachy KnightsNigel Bridges:Jonathan WratherNick Owen:Maurice LeeProducer:Lachlan MacKinnonProducer:Lachlan MacKinnonDirector:Andy HayDirector:Andy HayWriter:Ed WhitmoreWriter:Ed WhitmoreJulie Ross:Samantha LawtonGenresDramaCrimeBrandSilent WitnessSeriesSilent Witness: Series 15 Source: BBC Online