Diana Flacks voiced Nesta Trubshaw in the Big Finish Doctor Who audio story The Vanity Box.
She's had a long career of guest-starring roles on British television. Amongst the shows to which she's lent her talent are: Two Pints of Lager and a Packet of Crisps, with Sheridan Smith; Heartbeat; The League of Gentlemen, with Mark Gatiss; All Creatures Great and Small, with Peter Davison; Crown Court; and Z-Cars.