He had the lead role in the 2022 British drama series Somewhere Boy shown on Channel 4 and subsequently won a Screen Daily rising star award.
An only child, his mother started taking him to the Glasgow Citizens Theatre at age seven to help him interact more with other children.
Diagnosed with autism and dyslexia, Gribben told The Scotsman that he has some life experience that helped him play the role of Danny in Channel 4 and Clerkenwell Films 2022 drama Somewhere Boy, about a teenage boy who on his father's death learns he has been given a distorted view of life since infancy.
[1][2] As a teenager Gribben acted with a company called the Attic Collective before attending Glasgow Clyde College for two years, and then graduating in 2019 with a BA Hons Acting for Stage and Screen from Queen Margaret University in Edinburgh.
[5] Gribben has upcoming roles in Masters of the Air for Apple TV and Chemistry of Death for Paramount+.