Owen trained at The Oxford School of Drama. His theatre credits include Enemy of the People (Flintlock Theatre), The Game’s Afoot (Les Enfants Terribles), 139 Copeland Road (Abbey Normal Theatre), The Marvellous Imaginary Menagerie (Les Enfants Terribles, UK Indoor and Outdoor tour), Goosebumps Alive (The Vaults), Broken Windows (Pleasance Courtyard, Camden People’s Theatre), Trouble (Soho Theatre), Machinal (Pegasus Theatre), Epoch Film Noir, 1950 and 1985 (The Vaults), Jungle Book, The Snow Queen (both Image Musical Theatre UK Tours) and Typos (Etcetera Theatre) which he also co-wrote.