Len Jones, born in London in 1951, is a British actor best known for his child and teenage roles in the 1960s and 1970s. His career is inextricably linked to the world of voice acting, particularly for voicing the title character in Gerry Anderson's Supermarionation series, *Joe 90* (1968), and the character of Julian in the animated series *The Famous Five* (1978). On the big screen, Jones appeared in notable films such as Sam Peckinpah's *Straw Dogs* (1971), as Bobby Hedden, and *Spring and Port Wine* (1970), where he played Harold Crompton. His filmography also includes numerous appearances in British television series, including *Dixon of Dock Green*. After leaving acting, he pursued a career as a musician. Although he did not receive any major awards, his contribution to iconic British television productions has earned him lasting recognition among fans of the genre.