Sylvia Anderson (27 March 1927 – 16 March 2016) was an English producer and actress. She was born in London, England. She was known for voicing Lady Penelope in Thunderbirds.
She was married to producer Gerry Anderson from 1960 until they divorced in 1981. They had a daughter and son.
On March 16, 2016, Anderson died of a short illness in her home in Bray, Berkshire at age 88.