1 by 1 is a television set made by the BBC between 1987 and 1984. The sequence followed the career of veterinarian David Taylor and his work looking after exotic animals at zoos from Britain. Each series was set with exteriors filmed in Dudley Zoo, Chester Zoo and Knowsley Safari Park, during another decade. Episodes were made in total. While some other cast members included Christina Nagy, Sonia Graham, Peter Gilmore, Heather James, Catherine Schell, Peter Jeffrey, Andrew Robertson and James Ellis rob Heyland surfaced as Turner.