Olive Grant (born 3 December 1994), known professionally as Olive Gray, is a British actor. They first gained prominence through their role in the CBBC series Half-Moon Investigations (2009). They have since starred in the Paramount+ series Halo (2022–2024).
Early and personal life Gray is the eldest child of Fame Academy judges and singers David and Carrie Grant. Gray has three siblings, including Tylan Grant. Gray was diagnosed with ADHD as a teenager, in addition to having dyspraxia and dyslexia, and their siblings also have learning difficulties. Gray studied at Queenswood School, Hertfordshire and went on to study drama at Guildhall School of Music and Drama, graduating in 2016.
Gray is non-binary and queer, and uses they/them pronouns.
Career In 2005, Gray made their debut acting appearance in the popular television series The Story of Tracy Beaker as Alice. In 2007 and 2008 they appeared in EastEnders as Bernadette Logan, a girl who bullied Abi Branning (Lorna Fitzgerald). In 2009, they made a major appearance, portraying Mia Stone in the TV series of Half Moon Investigations. In 2016, Gray played a yoga girl in BBC's Fleabag. They appeared in an episode of the sitcom Uncle in 2017 as Anna. They also appeared as Miranda Keyes in the Paramount+ series Halo in 2022. In June 2023, they played the role of Molly in the new play "Spy for Spy" also starring Amy Lennox at Riverside Studios.
Filmography Film Year Title Role Notes 2018 Teen Spirit Lisa2020 Sulphur and White Zara Double Tap Chilli Short film Rose Amber 2023 Original Skin Lexi Short film 2025 Surviving Earth Maria Full Fat Grace Short film. Pre-production
Television Year Title Role Notes 2006 The Story of Tracy Beaker Alice Main role; series 5; 11 episodes. Credited as Olivia Grant 2007–2008 EastEnders Bernadette Recurring role; 8 episodes. Credited as Olivia Grant 2009 Half Moon Investigations Mia Stone Main role; episodes 1–13. Credited as Olivia Grant 2016 Fleabag Yoga Girl 2 Series 1; episode 22017 Uncle Anna Series 3; episode 2: "Bringing Sexy Back" Year Million Jess Main role; mini-series; episodes 1–5 2018 Home from Home Petra Dillon Main role; episodes 2–7 2018–2020 Save Me Grace Series 1; episode 6, & series 2; episodes 1–62019 Sex Education Kate Series 1; episode 2 Pure Helen Recurring role; episodes 1 & 5 Dark Money Jess Mensah Main role; mini-series; episodes 1–4 2022, 2024 Halo Dr. Miranda Keyes Main role; seasons 1 & 2; 17 episodes 2024 Kidnapped: The Chloe Ayling Story Amber Episode 5 2025 Reunion Anna Shenford Episodes 1–4
Theatre YearTitleRoleTheatre2023Spy for SpyMollyRiverside Studios
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