Naoko Mori is a Japanese actress and singer, best known for her role as Toshiko Sato in the British television series Torchwood. Born on November 19, 1975, in Nagoya, Japan, she moved to the United Kingdom to pursue her acting career. In addition to her work on Torchwood, Mori has appeared in various television shows and films, including Doctor Who and The Last Train. She has also performed in stage productions, showcasing her versatility as a performer. Mori's contributions to both television and theater have made her a recognized figure in the entertainment industry.