Sylvia Beatrice Anderson was an English television and film producer, writer, voice actress and costume designer, best known for her collaborations with Gerry Anderson, her husband between 1960 and 1981. In addition to serving as co-creator and co-writer on their TV series during the 1960s and early 1970s, Anderson's primary contribution was character development and costume design. She regularly directed the fortnightly voice recording sessions, and provided the voices of many female and child characters. She also helped develop the shows and characters, in particular creating the iconic characters of Lady Penelope and Parker in Thunderbirds.

Gerald Alexander Anderson was an English television and film producer, director, writer and occasional voice artist, who is known for his futuristic television programmes, especially his 1960s productions filmed with "Supermarionation".