Olive Gray is an English actress, known for the role of Mia Stone in the children's television series "Half Moon Investigations" and Dr. Miranda Keyes in the television series "Halo." In 2022 Gray was the eldest child of judges and singers David and Carrie Grant from "Fame Academy." Gray has three siblings: Tylan, Arlo and Nathan. Gray has ADHD, diagnosed in adolescence, and her siblings also have learning difficulties.

Gray attended Queenswood School in Hertfordshire, then went on to study drama at the Guildhall School of Music and Drama, from which she graduated in 2016. Gray identifies as non-binary, as queer, and prefers the pronouns they/them. (Biography from Wikipedia)