In September 2011 Hizli appeared as Mae West in Appropriate Adult, a two-part drama based on the events surrounding the arrest of serial killer Fred West. Later in the year she also appeared in an episode of the sixth series of Law & Order: UK. Hizli's first professional stage role was the part of Katie in the play One Night in November at the Belgrade Theatre, Coventry. Further credits include a starring role as The Bride in an adaptation of Federico García Lorca's Blood Wedding which was performed at the 2012 London Festival Fringe. She has also appeared as Amelia in the play House of Bernarda Alba, also by Federico García Lorca, which was performed between 19 January and 10 March 2012 at the Almeida Theatre, London.