She is best known for her role as Betty Nelson on the ABC television drama series Grey’s Anatomy (2018–2019).

[3] Kennedy had a recurring role on the PBS Kids television show Odd Squad (2014–2017).

[4][5][6][7] Kennedy has appeared in the films An Officer and a Murderer (2012), The Captive (2014), Cut Bank (2014), Lavender (2016), American Fable (2016), Odd Squad: The Movie (2016), and XX (2017).

[8][9] She has also starred in the short films, The Offering (2012), To Look Away (2013), Dorsal (2014), and Sunny Side Up (2017).

[10] She starred as Kate Messner in the Netflix series, Everything Sucks!