21:00ShetlandSeries 8Episode 1BBC One Duration: 58 minutes Audio described Wed 1st Nov 2023, 21:00 on BBC One South West HDAvailable for yearsWatch nowA Met detective returns to Shetland on the trail of a vulnerable witness. DI Ruth Calder must team up with Tosh to find the girl before it’s too late.ContributorsDI Ruth Calder:Ashley JensenDI 'Tosh' McIntosh:Alison O'DonnellDC Sandy Wilson:Steven RobertsonSgt Billy McCabe:Lewis HowdenCora McLean:Anne KiddJohn Howell:Don GiletWriter:Paul LogueProducer:Louise SayDirector:Andy NewberyProduction Company:Silverprint PicturesGenresDramaCrimeBrandShetlandSeriesShetland: Series 8 Source: BBC Online