As an actor Pertwee appeared in many comedy roles, including four films in the "Carry On" series, and he became widely known for spending 18 years (1959–1977) playing Chief Petty Officer Pertwee (and three other roles) in the popular sitcom "The Navy Lark" on BBC Radio. Pertwee starred as the Third Doctor in the science fiction television series "Doctor Who" between 1970 and 1974, and as the title character in the television series "Worzel Gummidge" (1979-1981 and 1987-1989). Towards the end of his life he maintained a close association with "Doctor Who" by appearing at many fan conventions related to the series and giving interviews. He also performed a one-man show called "Who Is Jon Pertwee?".