Niamh Cullen, a 17-year-old white British actress, was chosen to play the character of Hayley Fisher. She received an A grade in GCSE drama, demonstrating her acting ability. Niamh is also a member of the Georgian Theatre group and has experience taking on different roles in their productions. Additionally, the director knows Niamh personally and believes she is reliable and hardworking, and able to bring the character to life as envisioned.