Sandra Dickinson

Sandra Dickinson (born Sandra Searles; October 20, 1948) is an American-British actress. She trained at the Central School of Speech and Drama in London.

She voices Grandma Tracy in Thunderbirds Are Go!.

Characters voiced by Sandra DickinsonEdit


  • In 2017 she appeared on the BBC game show "Pointless Celebrities" and when faced with a round on naming one out of selection of fictional cops and robbers, she identified the cat burglar who became Lady Penelope's chauffeur in Thunderbirds as Parker.
  • She is David Tennant's mother-in-law.

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