Cassidy was classically-trained at NYU's Tisch School of the Arts and London's RADA. She has recently been featured in an AFI short film, the "electrifying dirty pop band" Sedona's upcoming music video, "Leaving the Chapel," and starred in her own comedic digital cooking series. She is featured in the Stonestreet Studios digital series "Paradise by the Dashboard Light," and co-wrote and produced the short film "Ghost Girl." Cassidy is also a partner in Rebel Casting, a street casting company. Recent campaigns have included the launch of Pleasure Ground clothing, KkCo and Toit Volant.