Robyn trained at the Royal Central School of Speech and Drama.

Stage credits include: The Enormous Crocodile (Leeds Playhouse & Regents Park open Air Productions), The Suspicions of Mr Whicher (Watermil lTheatre), Wildfire Road (Sheffield Theatres), The Lion, The Witch and The Wardrobe (National Tour & the Gillian Lynne Theatre), Amélie (Criterion Theatre), Mog (The Wardrobe Ensemble, Royal and Derngate & Old Vic), A Midsummer Nights Dream (The Watermill Theatre), Macbeth (The Watermill Theatre), Electrolyte (Wildcard Theatre), The Wind in the Willows (New Vic Theatre), Mood Music (Old Vic), The Snow Queen (Theatre Clwyd/Paperfinch Theatre) and Much Ado About Nothing (Oxford Shakespeare Company).

Film credits include: Not Knowing Needing and Fledgeling (Lightbox Films).