Sylvia Anderson is the co-creator of a string of hit TV shows through the late 1950s, 1960s and 70s. Her most memorable contribution as an actress is the voice of Lady Penelope from Thunderbirds - one of many series she co-created with former husband Gerry Anderson. Sylvia's talents are evident in the characterization throughout their various series. She was against Martin Landau and Barbara Bain being cast in Space: 1999 (1975) but was overruled by ITC chief Lew Grade.The forgotten heroine of Britain's famous TV shows, she's had to watch former husband Gerry take most of the limelight over the years. A fascinating woman with overwhelming talent, she now represents the American network HBO in Pinewood Studios in London, England.