Mhairi Calvey was born in Scotland and grew up on the Isle of Arran.
At the age of 5 she made her acting debut playing the role of 'Young Murron' in Mel Gibson's film 'Braveheart', which went on to win five Oscars. Shortly after filming Mhairi returned to school and focussed on her education. She later studied her BA (Hons) in Acting at the Guildford School of Acting.
In 2016 she decided to continue pursuing her passion for acting and rejoined the industry. Mhairi has since played roles in feature films 'Fear The Invisible Man', 'The Eastern Front' and 'Robert The Bruce'. In 2021 she won Best Newcomer at The National Film Awards.
Her television credits include Royal Television Society Nominated series 'Horizon' and she won a Best Actress Award for the television movie 'Gemini'.
Mhairi started production company Dream Reel Entertainment and she went on to direct, write and produce her debut short film 'Gaslight'.
In 2021 Mhairi became the director of Scottish film festival 'The Scotland International Festival of Cinema'.