Male An officer of the Tokyo Metropolitan Police Department Public Security Bureau. He is a spy within the Black Organization, code-named "Bourbon." A graduate of the Police Academy, where he met his four classmates. He currently goes by the alias "Toru Amuro." He speaks with a gentle tone, often ending sentences with "...right?" Hiromitsu Morofushi -> Hiro Jinpei Matsuda -> Matsuda Wataru Date -> Hanchou Kenji Hagiwara -> Hagi Takaaki Morofushi -> Inspector Morofushi Chihaya Hagiwara -> Lt. Chihaya

Male An officer of the Tokyo Metropolitan Police Department Public Security Bureau. He was a spy in the Black Organization with the code name "Scotch." A graduate of the Public Security Bureau and Rei Furuya's classmate. His older brother, Takaaki Morofushi, is a detective in the Nagano Prefectural Police. He speaks with a gentle, friendly tone. Rei Furuya -> Zero Jinpei Matsuda -> Matsuda Wataru Date -> Hanchou Kenji Hagiwara -> Hagi Takaaki Morofushi -> Big Brother Chihaya Hagiwara -> Officer Hagiwara

Male A police officer in the Explosive Ordinance Disposal Squad of the Tokyo Metropolitan Police. A graduate of the Police Academy and a classmate of Hiromitsu and Rei. He has loved dismantling things since childhood, earning him the nickname "Dismantling Man." He has a slightly stubborn, cocky way of speaking. Rei Furuya -> Zero Hiromitsu Morofushi -> Hiro Wataru Date -> Hanchou Kenji Hagiwara -> Hagi Takaaki Morofushi -> Inspector Morofushi Chihaya Hagiwara -> Officer Hagiwara

Male A detective in the First Investigation Division of the Tokyo Metropolitan Police. A classmate of Matsuda and the others at the Police Academy. He is so caring that everyone calls him "Hanchou" (Class Rep). He reportedly became a cop following in his father's footsteps. He speaks with a confident, leader-like tone. Rei Furuya -> Zero Hiromitsu Morofushi -> Morofushi Jinpei Matsuda -> Matsuda Kenji Hagiwara -> Hagiwara Takaaki Morofushi -> Inspector Morofushi Chihaya Hagiwara -> Lt. Hagiwara

Male A police officer in the Explosive Ordinance Disposal Squad, same as Matsuda. A graduate of the Police Academy and classmate to the other four. His older sister, Chihaya Hagiwara, is a police officer and motorcycle squad leader in the Kanagawa Prefectural Police. He has a stubborn but kind way of speaking. Rei Furuya -> Furuya-chan Hiromitsu Morofushi -> Morofushi-chan Jinpei Matsuda -> Matsuda Wataru Date -> Hanchou Takaaki Morofushi -> Inspector Morofushi Chihaya Hagiwara -> Sis

Male A detective with the Nagano Prefectural Police. Conan Edogawa calls him "Inspector Morofushi." He has a younger brother, Hiromitsu Morofushi. He uses polite language and often quotes the Romance of the Three Kingdoms to express his emotions. Rei Furuya -> Rei-san Hiromitsu Morofushi -> Hiromitsu Jinpei Matsuda -> Jinpei-san Wataru Date -> Wataru-kun Kenji Hagiwara -> Hagiwara-kun Chihaya Hagiwara -> Chihaya-san

Female A police officer and motorcycle squad leader in the Kanagawa Prefectural Police. Her younger brother is Kenji Hagiwara. She speaks with a blunt, somewhat masculine tone. Rei Furuya -> Furuya Jinpei Matsuda -> Jinpei Matsuda Hiromitsu Morofushi -> Morofushi Wataru Date -> Wataru Kenji Hagiwara -> Kenji Takaaki Morofushi -> Inspector Morofushi

Boy A great detective. His famous catchphrase is "Conan Edogawa, a detective." Everyone calls him Conan-kun, and he addresses others with polite suffixes. He switches between a childish tone and a mature, adult-like tone. He is actually the high school detective Shinichi Kudo, whose body was shrunk, but no one knows this.