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Susan Haydn Thomas (known as Susan Sheridan) was a British actress and voice actress. She voiced Trillian in the radio series The Hitchhiker's Guide to the Galaxy.

She also voiced Noddy in Noddy's Toyland Adventures, Princess Sylvia in Muzzy in Gondoland, and Princess Eilonwy in the animated film The Black Cauldron.[1]

She died on 8 August 2015, from breast cancer, aged 68.[2]

Douglas Adams said of Sheridan "Susan never found anything major to do with the role, but that wasn't her fault, it was my fault".

The Hexagonal Phase, which was made after her death, was dedicated to her.

Appearances Edit

Radio Edit

As Trillian

Primary Phase Edit

Tertiary Phase Edit

Quintessential Phase Edit

Hexagonal PhaseEdit

External links Edit

Notes and references Edit

  1. https://www.behindthevoiceactors.com/Susan-Sheridan/
  2. https://www.bbc.com/news/entertainment-arts-33841383