Lynch has made her film debut in the 2011 drama film Fast Girls. She later co-starred in the BBC television film The 7.39. On television, she also has appeared in Silent Witness, Death in Paradise, and was regular cast member on the short-lived BBC comedy Crims in 2015.
In 2016, Lynch was cast as leading character, Rosaline, in the American period drama series Still Star-Crossed produced by Shonda Rhimes.
