Tracy Ann Oberman, sometimes spelt Tracy-Ann Oberman, played Yvonne Hartman in the Doctor Who television episodes Army of Ghosts and Doomsday and the Big Finish audio stories One Rule and Torchwood One: Before the Fall. For Big Finish she also voiced a parallel universe version of Yvonne Hartman in Aliens Among Us. She also contributed to the charity reference book Behind the Sofa: Celebrity Memories of Doctor Who.
As herself, she appeared on a special Doctor Who edition of The Weakest Link. She also voiced Temperance Finch in the Big Finish Doctor Who audio stories Deimos and The Resurrection of Mars, and Mrs Grenville in Deimos.