[2][3] Before Harold's acting career began, she was featured in the television series Jamie's Dream School.

Harold got one GCSE as she had lost a year of school due to an illness and missed out on being able to study for exams.

[4] In June 2011, EastEnders producers announced that Harold had been cast as Lola Pearce, the granddaughter of established characters Billy Mitchell (Perry Fenwick) and Julie Perkins (Cathy Murphy).

In July 2012, the character gave birth in a special live broadcast, coinciding with her on-screen grandfather carrying the Olympic Torch through Walford.

[14] Harold is also set to participate in the sixth series of Celebrity Hunted in 2024, which she filmed in 2023 following her exit from EastEnders.