Cassandra has a Bachelor of Music (Opera) and a Master of Arts (Music Theatre) from Guildford School of Acting.

Recent work includes: Cover Soprano in Stiletto (Charing Cross Theatre); Soloist in An Evening with Sir Tim Rice; Mary Delgado in Jersey Boys (International Tour); Rosalie Mullins in School of Rock (International Tour); Mrs Turner/1st Cover Rosalie Mullins in School of Rock (Original West End Cast); Scheherazade in Aladdin (New Wimbledon Theatre); Molly in Allegro(Southwark Playhouse); Cover Baroness/Ensemble in The Sound of Music (West End International Tour); Live performance of Cheerily Carols the Lark on BBC Radio 3; Mad Margaret in Ruddigore (King's Head Theatre); Pitti-Sing in The Mikado (Charing Cross Theatre); Charlotte in Flora: The Red Menace (Ian Talbot); Madama Butterfly (New Zealand Opera Company); The Bartered Bride (New Zealand Opera Company).

She has also performed at The Mission Concert in New Zealand, as the opening act for Sting and Rod Stewart.