Liberty Mosse

Liberty wrote her first script in 2020 at the age of 39. It was inspired by Nora Ephron’s semi-autobiographical novel “Heartburn.” Like Ephron, Liberty was a mother of young children going through an unexpected divorce and had experienced many difficult, often painfully funny, moments as a result. In Ephron’s preface to her novella, she says: “One of the things I’m proudest of is that I managed to convert an event that seemed hideously tragic at the time into a comedy – and if that’s not fiction, I don’t know what is.” It seemed like a great idea.

That first “divorce” script of Liberty’s now sits in a drawer gathering dust, but she’d caught the bug. Liberty went on to write several spec scripts and she won a coveted place on 4Screenwriting 2025. Liberty’s scripts have been shortlisted for the BBC Drama Room and shared on Philip Shelley’s script library.

Liberty’s writing is both powerful and subtle. She writes challenging and exciting stories about complex people full of hypocrisies and contradictions. Her background working in mental health and community services as well as her lived experiences with family, motherhood, postnatal mental illness and painting, all inform her work in a way that grounds it in the real.

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Liberty Mosse is represented by Frances Arnold