Susan Haydn Thomas (18 March 1947 – 8 August 2015) was a British actress and voice actress. Her voice acting roles included Noddy in Noddy's Toyland Adventures, Princess Sylvia in Muzzy in Gondoland, Trillian in the BBC radio series The Hitchhiker's Guide to the Galaxy and Princess Eilonwy in the animated film The Black Cauldron.
Sheridan was born in Newcastle and trained at the Guildhall School of Music and Drama. Sheridan married musician Max Brittain and had three daughters.
Sheridan voiced Alex in the video game Alex Builds His Farm; Shu in the English version of the anime film Fire Tripper; Moomin in the English dub of Moomin; Noddy in Noddy's Toyland Adventures; and additional characters in Budgie the Little Helicopter, The Little Polar Bear, Round the Bend, The Goose Girl, and Jimbo and the Jet-Set. Other adult characters she gave voice to include Milady in Albert the Fifth Musketeer, and Princess Sylvia in the English version of the home video series Muzzy.
She was active in theatre with roles in touring companies and a one-woman show (The Merry Wife of Wilton). She was in an adaptation of Howl's Moving Castle in London in 2011. Her television roles include an episode of Midsomer Murders in 2011 and an episode of Agony in 1980. Sheridan voiced the part of Pumpkin, one of a number of pig characters in the children's television show Preston Pig, as well as recording additional character voices. She voiced the 10-year-old boy in Sheila Hodgson's 1977 supernatural drama Here Am I Where Are You?, adapted from an idea by M.R. James.
- Nausicaä of the Valley of the Wind - Lastelle (1985 dub)
- Susan Sheridan's website (Archived 3 January 2014)