The Investigator: A British Crime Story is a 2016 English-language Documentary Crime show. The premise revolves around Takeshi Kasumi , told in a slice of life style. The investigator: a british crime story features Naoto Takenaka in the lead role along with an ensemble cast including Tetsuji Tamayama, Honami Suzuki, Mark Williams-thomas, Rick Warden, Tanya Winsor and Frances Millar. The show has a running time of 16-22 min. for each episode. The show has a total of 12 episodes. Distribution rights for the series were acquired by Netflix. The premise revolves around Takeshi Kasumi , told in a slice of life style.