Thalissa trained at the Royal Welsh College of Music and Drama.
Previous work for Shakespeare’s Globe includes: Othello, The Broken Heart, The Changeling.
Other theatre includes: Blood Wedding (Young Vic); Julie (National Theatre) Yerma (Young Vic transfer to Armory Theatre Ney York City); The Unknown Island (The Gate Theatre); The Night Watch (Royal Exchange); BU21 (Theatre 503); Electra (Old Vic)
Film includes: Takedown, Exit Eve, A Family Affair, Wildfire.
Television includes: Trigonometry, Two Weeks to Live, Press, The Musketeers, Midsomer Murders.