Isla was most recently seen touring the country in 'Steel Magnolias'.
Isla has won 'Female Performer of the Year' in the Spoken Word Awards for her reading of Ian McEwan's 'Atonement'.
Other audio books include: 'Falling Angels', 'The Girl with the Pearl Earring', 'Across the Nightingales Floor' and Antonia Fraser's 'Six Wives of Henry VIII'.
TV includes: 'Single Father', 'Law & Order: UK', 'New Tricks', 'Midsomer Murders', 'A Touch of Frost', 'Dalziel & Pascoe' and 'Quatermas'.
Theatre credits include: 'The Company Man' (Orange Tree), 'Collaboration' (Chichester Festival Theatre), 'History Boys' (Wyndhams Theatre), 'A Funny Thing Happened' (National Theatre), and 'Mrs Warrens Profession' (Bristol Old Vic).
Films include: 'Johnny English Reborn', 'Afterlife', 'Mrs Caldicot's Cabbage Wars', 'The Match', 'The Monk' and 'Indiana Jones & The Last Crusade'.