Susan's illustrious career in the performing arts began with her involvement in Gaelic plays, setting the stage for a remarkable journey. Before being accepted into the prestigious Central School of Speech and Drama, she was already making waves in the theatre world. During her time at the institution, Susan made a lasting impression, earning the coveted Kenneth Branagh Renaissance Award for Most Promising Student.
Upon graduating, Susan took to the stage, showcasing her talents in a variety of roles. Her notable theatre credits include El Cid and Pericles at the National Theatre, as well as the title role in Miss Julie at the Young Vic. Her impressive range was further demonstrated in Ashes and Sand at the Royal Court.
Susan's transition to television was seamless, making her debut in an episode of the popular series Cracker. This was followed by appearances in Ivanhoe, A Royal Scandal, and Truth or Dare. Around 1997, she completed work on the film The Secret of Roan Inish, a mini-series shot on location in Donegal. She also had a small part in the critically acclaimed Interview With the Vampire.
Susan's action-packed role in Downtime showcased her impressive physical prowess, as she performed her own stunts. Following this, she traveled to Australia to film Kings in Grass Castles, a mini-series produced by the British Broadcasting Corporation (BBC).