They will certainly be treated to stunning scenes of Cornwall , but viewers may not hear a Cornish accent when they tune in to watch Poldark . Yesterday it emerged that the stars of the show , which is set in the windswept Cornish landscape , were so terrified of being accused of mumbling that many made a conscious decision to enunciate their lines . Scroll down for video . The stars of the new Poldark are terrified of being accused of mumbling so decided to enunciate their lines . Pictured , Aiden Turner and Eleanor Tomlinson as Ross Poldark and Demelza . It appears that the barrage of criticism received over the BBC ’ s adaptation of Daphne du Maurier ’ s gothic novel Jamaica Inn is to blame for creating the fear factor . More than 2,000 viewers complained about poor sound quality and inaudible dialogue when Jamaica Inn was screened last April and the star of Poldark , Aidan Turner , has now confessed that he and the cast were alarmed by the backlash . Turner , 31 , told the Radio Times : ‘ I didn ’ t see Jamaica Inn but the fuss about it spooked us all a lot . ‘ We started shooting a few weeks later and I can tell you all the actors were aiming for ten out of ten on enunciation . ' I ’ m doing posh RP [ received pronunciation ] anyway , so it didn ’ t affect me directly but I was scared , yes. ’ Turner takes the role of British soldier Ross Poldark , who returns from fighting in the American War of Independence to find his fiancée Elizabeth Chenoweth , believing him to be dead , is set to marry his cousin . BBC bosses are hoping for a return of Poldark mania . Poldark is based on the novels by Winston Graham . When it was first dramatised in the 1970s , up to 15million viewers per episode tuned in to follow its passionate romances and tales of smuggling . Poldark begins on BBC1 on Sunday at 9pm .
Many of the stars made a conscious decision to change their lines . criticism received over the BBC ’ s adaptation of Daphne du Maurier ’ s gothic novel Jamaica Inn is to blame for creating the fear factor . Aidan Turner said he and the cast were disappointed by the backlash .