21:00Silent WitnessSeries 25History, Part 6BBC One Duration: 57 minutes Audio described Tue 7th Jun 2022, 21:00 on BBC One West HDAvailable for yearsWatch nowEvents lead Nikki to conclude that getting the truth will put the Lyell team and everything they love in danger.ContributorsDr Nikki Alexander:Emilia FoxJack Hodgson:David CavesSimone Tyler:Genesis LyneaSam Ryan:Amanda BurtonDSI Ronnie Boyle:Ian Puleston-DaviesJomo Mashaba:Hugh QuarshieTom Faulkner:Matthew GravelleWriter:Katerina WatsonDirector:Rob EvansProducer:Nick LambonGenresDramaCrimeBrandSilent WitnessSeriesSilent Witness: Series 25 Source: BBC Online