Filming has begun on the new series of the acclaimed BBC murder mystery drama Shetland with Ashley Jensen and Alison O’Donnell reprising their roles as DI Ruth Calder and DI Alison ‘Tosh’ McIntosh alongside series regulars and guest casting. Shetland - a Silverprint Pictures (part of ITV Studios) production - will film in locations around Scotland and on the Shetland Isles over the coming months with the series arriving on BBC iPlayer and BBC One later this year.