Silent WitnessSeries 20Part 2: Identity, Part TwoBBC One Duration: 58 minutes Audio describedFirst broadcast: Tue 3rd Jan 2017, 21:00 on BBC One WestLatest broadcast: Tue 3rd Jan 2017, 21:00 on BBC One Wales HDAvailable for yearsWatch nowForensic crime drama series. A horrific discovery pits Nikki and Jack against a killer preying on illegal immigrants. Show more ContributorsDr Nikki Alexander:Emilia FoxDr Thomas Chamberlain:Richard LinternJack Hodgson:David CavesClarissa Mullery:Liz CarrGyearbour Asante:Fiston BarekKwabena Asante:Ade HaastrupElia:Christina BarreiroSosa:Lydia KalianLady in Van:Maria LopianoYusuf Hamed:Gerald KydPriest:George SavvidesAkka Khoury:Sofia AmirDCI Rory Goodchild:Ryan KiggellDI Paul Renick:Douglas RankineAbdul Al Wilson:Billy CookTrue Faith Woman:Leila Al-JabouryPia Butler:Natasha JosephBorder Agency Officer:James WarrenWhite Van Driver:Vincent La TorreBrian Hunt:David MaybrickWiry Migrant:Malik IbheisVarkey Khoury:Kevork MalikyanIttak Khoury:Elham EhsasWriter:Timothy PragerProducer:Ceri MeyrickDirector:Stewart SvaasandExecutive Producer:Anne PivcevicGenresDramaCrimeBrandSilent WitnessSeriesSilent Witness: Series 20 Source: BBC Online