Sylvia Anderson

Sylvia Anderson (25 March 1927 - 15 March 2016 ) was a television producer, writer and actor well-known for co-creating the series Fireball XL5, Stingray, Thunderbirds, Captain Scarlet and the Mysterons, Joe 90, and The Secret Service, all of which crossed over with the Doctor Who universe to varying degrees.

Her sole credit on a piece of DWU fiction was for the Thunderbirds episode The Man from MI.5, which featured the Daleks. As well as being credited with "character visualisation" and, alongside husband Gerry Anderson as a script supervisor, Anderson herself starred in The Man from MI.5 by lending her voice to the central character Lady Penelope Creighton-Ward. She also played Lady Penelope in seventeen other television episodes, in addition to several guest characters, as well as in the two films and. Anderson co-wrote the first episode of the series Trapped in the Sky and the two films with her husband. She also voiced Doctor Venus in Fireball XL5 and Marina in Stingray, both of whom became recurring characters in the Doctor Who universe through the comic strips of TV Century 21.

Anderson also had a starring role as Melody Angel in Captain Scarlet and the Mysterons. She subsequently co-created a final supermarionation series, The Secret Service, as well as the live-action productions, , and Space: 1999, for which she was the costume designer. In 2015, she had a guest role in the revival series where she voiced "Great Aunt Sylvia", a relative of Lady Penelope.