None of the original cast was initially scheduled to return for the first series, but on 29 November 2012 it was confirmed that Anne Charleston (who appeared in the original series) would make a guest appearance, as well as Sigrid Thornton who was in the original series as Ros Coulson, Thornton would play Sonia Stevens. "Wentworth" premiered in Australia on Foxtel's SoHo channel on 1 May 2013. As of 2018, the series was still in production, with a sixth season premiering on 19 June 2018, while a seventh season had been announced and due to air in 2019. Season 7 aired in May 2019. While "Wentworth" was confirmed for a 2021 ending, it won't surpass "Prisoner" in episodes, but will surpass the show in years on air.