In 2014, Free was cast as Myrcella Baratheon in Game of Thrones, replacing Aimee Richardson.
[8][9] Prior to her audition, Free had never seen the show; when talking about the role, she said: "I mean, it's every girls dream to play a princess and the dresses were fantastic.
"[3] Free starred in Wonderwell, which featured Carrie Fisher in her final performance prior to her death in 2016.
[10] In 2017, she joined the cast of Too Old to Die Young, a television series by Nicolas Winding Refn.
[11] In August 2018, Free was cast as Leanne Grayson in M. Night Shyamalan's television series Servant.
[12] The show received widespread critical acclaim, including from the likes of Stephen King, and Free's performance was lauded alongside the show's other lead cast members Lauren Ambrose and Rupert Grint.
[18] She released her first commercial song as a solo artist titled "Do I Just Keep Making Things Worse?"