Isla Blair played Isabella Fitzwilliam in the Doctor Who television story The King's Demons. She also voiced Paula Taylor in the Big Finish Productions Doctor Who audio story Exotron and Marge in the Donna Noble: Kidnapped! audio story Out of this World. She also played Merytra in Magic Bullet Productions' The True History of Faction Paradox audio series.
She is married to Julian Glover and the mother of Jamie Glover.