21:00Silent WitnessSeries 13Part 2: Shadows, Part 2BBC One Duration: 1 hour Audio described Fri 29th Jan 2010, 21:00 on BBC One Northern IrelandAvailable for yearsWatch nowDrama about a team of forensic pathologists. Leo's postmortem of the victims reveals there were two guns used, and possibly a second shooter.ContributorsDr Nikki Alexander:Emilia FoxProfessor Leo Dalton:William GaminaraDr Harry Cunningham:Tom WardChf Sup Karen Sommerville:Anna ChancellorJennifer Mears:Phyllis LoganChief Insp Layton Kant:Paul KynmanScott Weston:Elliott TittensorPeter Snelling:Daniel CaltagironeNeil Corrigan:Toby WhartonDCI Graham Gibson:Mark GillisCharlie Gibbs:Wunmi MosakuMatt Frisk:Joe MarshDC Andy Saich:Tom BennettTactical Command Officer:Jason BaileyCO19 Officer:Michael TullochJason Renfrew:Robert BertrandDominic Weston:Malcolm ScatesProducer:Ruth Kenley-LettsDirector:Farren BlackburnWriter:Dudi AppletonPamela Weston:Connie WalkerParamedic 1:Neil MaddenParamedic 2:Annabelle DowlerGraduate Student:Jessica ClarkGraduate Student 2:Matt BannisterClaire Bolt:Juliet OldfieldWriter:Jim KeebleGenresDramaCrimeBrandSilent WitnessSeriesSilent Witness: Series 13 Source: BBC Online