Cassidy has been immersed in the performing arts from a young age, training extensively in singing, dance, and drama. She holds a Bachelor of Theatre (Music Theatre) from the Central Queensland Conservatorium of Music, graduating in 2019. During her studies, she performed a variety of roles, including Sandor in Bells Are Ringing and Quince in A Midsummer Night’s Dream.

Since graduating, Cassidy has taken on an array of roles across musical theatre, including Lisa in Mamma Mia, Sister Sophia in The Sound of Music, an Angel in Jersey Boys, Florinda in Into the Woods, and Violet in 9 to 5: The Musical. Her talents have also taken her overseas, performing at the Arts International – Rising Star Showcase in Los Angeles and in The Mikado with CQ Conservatorium and Bentley Music Academy in Kuala Lumpur.

Currently, Cassidy is refining her vocal performance under the expert guidance of Paul Tabone and is dedicated to further developing her craft as she continues to make her mark on Australian stages.