[4] Quinn began his acting career as a child appearing in commercials, short films and productions at the Pavilion Theatre in Glasgow.
On stage, he appeared in the role of Fraz in the Olivier Award-winning 2010/11 production of Black Watch with the National Theatre of Scotland in a UK/US tour.
[12] In 2017 he appeared in the Michael Winterbottom film On the Road, alongside the British Rock band Wolf Alice.
The series was produced by Zodiak Kids and was shown in several countries including France, the UK, Canada, Latin America and the Middle East.
[15] In 2022 he appeared in the role of Thomas Marshall in the world premiere of the play Wickies: The Vanishing Men of Eilean Mor at the Park Theatre in London.
[16] In 2024 Quinn voiced the role of Owl in the animation feature film Fox and Hare Save the Forest.