Tokusō Saizensen (特捜最前線)　was a long running popular television detective series in Japan, which ran from 1977 to 1987.^[2][3] Aired on TV Asahi.^[4][5] It stars Hideaki Nitani.^[6][7]

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• Hideaki Nitani as Kyōsuke Kamishiro (Boss of the Special Investigation Division^[5])
• Hiroshi Fujioka as Tetsuo Sakurai^[8]
• Toshiyuki Nishida as Yōzō Takasugi
• Kojiro Hongo as Tsuyoshi Tachibana
• Hideji Ōtaki as Ippei Funamura^[8]
• Naoya Makoto as Ryuji Yoshino (1977–86)^[9]
• Atsushi Watanabe as Denkichi Tokida
• Kenichi Sakurai as Jirō Taki
• Kiyotaka Mitsuki as Seishirō Inukai
• Shigeru Araki as Akira Tsugami
• Yusuke Natsu as Shunichi Kanō
• Yuji Abe as Toshio Sugi
• Masumi Sekiya as Mikiko Takasugi
• Katsuhiko Yokomitsu as Kanichi Kurebayashi^[8]