21:00Silent WitnessSeries 13Part 1: Run, Part 1BBC One Duration: 1 hour Audio described Thu 21st Jan 2010, 21:00 on BBC One EastAvailable for yearsWatch nowDrama series. Leo is concerned that the police are involved with a cover-up to protect a rogue undercover cop linked to the death of a young woman.ContributorsProfessor Leo Dalton:William GaminaraDr Harry Cunningham:Tom WardDr Nikki Alexander:Emilia FoxDI Barry Neill:John BowePeter Carmody:Alec NewmanAnne Cunningham:Frances TomeltyJanet Mander:Jaye GriffithsRuth Gardiner:Akiya HenryFrank Gardiner:Leo WringerDanielle Boyce:Denise GoughAlex Webb:Nyasha HatendiAmanda Fry:Natalie J RobbMary Bradburn:Diana HardcastleRobert Alanson:Matthew WynnLandlord:Jonathan PentonYoung Man:Adam RedmoreNews Reporter:Alice BhandhukraviProducer:Ruth Kenley-LettsDirector:Sue TullyWriter:Andrew HoldenActor:Lesley DunlopActor:Clare HigginsActor:Amanda BurtonActor:John McGlynnActor:Kelly HunterActor:Barney CraigGenresDramaCrimeBrandSilent WitnessSeriesSilent Witness: Series 13 Source: BBC Online