21:00Silent WitnessSeries 21Episode 5: A Special Relationship, Part OneBBC One Duration: 59 minutes Audio described Mon 22nd Jan 2018, 21:00 on BBC One South EastAvailable for yearsWatch nowForensic crime drama series. A US diplomat is shot dead in central London, forcing the team to work closely with the embassy and the FBI.ContributorsDr Nikki Alexander:Emilia FoxJack Hodgson:David CavesDr Thomas Chamberlain:Richard LinternClarissa Mullery:Liz CarrMatt Garcia:Michael LandesPresenter:Ben BrownAmbassador Jonathan Kraft:Matthew BrenherRyan Reed:Ako MitchellDCI Ben Solomon:Elliot LeveyKim Price:Sharon D ClarkeAssistant Commissioner Khan:Selva RasalingamFergus Weir:Jefferson HallInga Meyer:Alex ReidElla Weir:Lucy SpeedTerry Lefoe:Gretchen EgolfHelen Vine:Tara HugoRosie Chamberlain:Julia HaworthDCI Tina Moss:Shvorne MarksMaria Peraki:Evi StamatiouWriter:Graham MitchellProducer:Kiaran Murray-SmithDirector:Diarmuid GogginsExecutive Producer:Richard StokesGenresDramaCrimeBrandSilent WitnessSeriesSilent Witness: Series 21 Source: BBC Online