Susan Haydn Thomas (18 March 1947 – 8 August 2015), better known as Susan Sheridan, was an English voice actress. Her 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, Serafina Pekkala in the BBC audiobooks of His Dark Materials and Princess Eilonwy in the animated film The Black Cauldron.

Early and personal life

Sheridan trained at the Guildhall School of Music and Drama. Sheridan married the musician Max Brittain and had three daughters. She died on 8 August 2015, aged 68.

Voice roles

Sheridan's voice roles include;

Theatre

She was active in theatre with roles in touring companies.

Radio and television roles

Filmography