Rosie Day is an author and playwright. She was named a Star of Tomorrow by Screen Daily and a Future Trailblazer by Red magazine. Her debut play, Instructions for a Teenage Armageddon, opened in the West End in spring 2024 and her debut non-fiction title of the same name was published by Hachette. Her sophomore play, This is Not a (Happy Room), opened in spring 2025 at the King's Head Theatre. Her first novel, Vipers, will be published by Serpent's Tail, and she is currently writing an audio original for Audible. As an actor Rosie's credits include: Outlander, All Roads Lead to Rome, Down a Dark Hall, Good Omens, Living the Dream and many more. Rosie is training to be a psychotherapist and lives in London with her three cats.
