The Screenwriters' Festival (July 1-3) continues to add high-profile speakes to its line-up. New to the programme is novelist/playwright/screenwriter Ronald Harwood, who will interviewed onstage by psychiatrist Raj Persaud. Harwood has worked on screenplays for Roman Polanski's The Pianist and Julian Schnabel's The Diving Bell And The Butterfly.

This presentation, sponsored by the UK Film Council, will touch on topics such as how a writer can break down internal walls and change their own mental attitude and approach to overcome obstacles, real or imagined.

The Cheltenham-based festival's sponsors include South West Screen, Cheltenham Council, Sky, UIP, BBC Films, UK Film Council, Skillset, C4, LSC, Ealing Film Studios, BAFTA, Face Group, Arturi Films, and Chateau De Sours.

Previously announced speakers include Mike Leigh, BBC's Jane Tranter, Julian Fellowes, Christopher Hampton, Lucy Prebble, Deborah Moggach, Peter Kosminsky, Laura Mackie, Barbara Machin, Tony Jordan and Kay Mellor.