Julia Hills

 voiced several roles in various Big Finish Doctor Who audio stories and spin-offs.

She is perhaps best remembered for her role as Rona in the sitcom 2point4 Children (1991-99).

Most recently, Hills appeared as Christmas choir leader Morag Morgan in EastEnders for eight episodes during December 2018.

Doom Coalition

 * Beachhead - Phillipa Gregson

The Early Adventures

 * The Bounty of Ceres - Qureshi

The Diary of River Song

 * The Lady in the Lake - Rindle & Sharon

The Paternoster Gang

 * The Cars That Ate London! - Madeline
 * A Photograph to Remember - Ethel Pullman

Rose Tyler: The Dimension Cannon

 * The Endless Night - Margo Kinnear
 * The Flood - Margo Kinnear