Thalissa Teixeira is a British-Brazilian actress and filmmaker. Teixeira was born in Bradford, West Yorkshire; her mother is British and her father from Salvador in Brazil. She spent her childhood in Vitória, Espírito Santo in Brazil before returning to England with her mother at the age of 8 to live in Chalfont St Peter, Buckinghamshire where she joined a local theatre group called Through the Wardrobe. She went on to train at the Royal Welsh College of Music & Drama, graduating in 2014. She began her career in theatre, earning an Ian Charleson Award nomination, before breaking out in the miniseries Trigonometry. She was named a 2021 Screen International Star of Tomorrow.