Who plays Kat in Euphoria? Barbie Ferreira
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HBO's 'Euphoria': Who is in the cast and who are they playing?

10. Who plays Kat in Euphoria? Barbie Ferreira
Barbie plays Kate, a body-conscious teen exploring her sexuality. Barbie is an actress and model who previously appeared in a 10-episode series for Vice called "How To Behave". She also had a role in the Sarah Jessica Parker-led series 'Divorce' on HBO.