At nineteen, she returned to England, moving from Naples, Italy to London where she now lives in Dalston.
[1][2] In 2007, Calder made her professional stage debut in Silver Birch House and Pera Palas, both at the Arcola Theatre in East London.
She made her feature film debut in the 2014 horror thriller Altar, which aired on Channel 5 in the United Kingdom and had a theatrical release elsewhere.
[5] Calder starred alongside Deirdre Mullins in the film The Dark Mile and portrayed Coco Chanel in the Picasso installment of the National Geographic anthology series Genius.
Calder had a recurring role as Shirley in Michaela Coel's BBC and HBO miniseries I May Destroy You.