TMDb/Days of Our Lives TV Sofia Mattsson joins Days of Our Lives in 2027! Could she be the new Abigail DiMera? Get the latest buzz and casting clues. May 4, 2026 AceShowbiz - Fans of Days of Our Lives are buzzing with excitement as news emerges that Sofia Mattsson, known for her role as Sasha Gilmore on General Hospital, will be joining the cast of Days of Our Lives in early 2027. While the show has teased her arrival on social media, the precise character she will portray remains a mystery.