Elizabeth Rider

Elizabeth Rider (sometimes credited as Elizabeth Ryder) portrayed Ellen in the The Sarah Jane Adventures television story Lost in Time, and voiced the ATMOS GPS in the Doctor Who television stories The Sontaran Stratagem and The Poison Sky. She later played Linda in The Time of the Doctor.

For Big Finish Productions, she voiced Galatea in The Well-Mannered War.

Doctor Who

 * The Sontaran Stratagem / The Poison Sky - ATMOS GPS voice
 * The Time of the Doctor - Linda

The Sarah Jane Adventures

 * Lost in Time - Ellen

Novel Adaptations

 * The Well-Mannered War - Galatea