Male 22 years old 180cm Unknown. Serious and perfectionist, he switches between three personalities (Triple Face) depending on his role. Usually kind and uses polite speech, but becomes cold and sharp when acting as a Public Security officer. Rei Furuya: A top spy for the Public Security Bureau wearing the masks of a cafe part-timer and a Black Organization executive.

Male 22 years old 180cm Unknown. He has a foul mouth and seems arrogant, but he is deeply affectionate and charges fiercely toward his goals. He uses a rough, blunt, and masculine tone (uses 'ore'). Jinpei Matsuda: A character with a twist past who hated the police after his father was wrongfully arrested, but eventually became a police officer himself.

Male 22 years old 185cm Friendly, highly sociable, and a mood maker popular with women. He uses a flexible, sly, and lighthearted tone that feels approachable. Kenji Hagiwara: A talented individual who had no greed for promotion or success and only wished for loyalty to his friends.

Male 22 years old 185cm Unknown. Possesses a gentle and soft nature, showing great consideration by silently taking care of his classmates. He speaks in a calm and affectionate tone. Hiromitsu Morofushi: The younger brother of an elite Nagano Prefecture detective, he is a character who hid the trauma of his parents' murder.

Male 22 years old 190cm Unknown. Masculine, deeply loyal, and a reliable class leader style with excellent leadership. He is a typical hot-blooded detective with a cheerful and straightforward personality. Wataru Date: Despite his rugged appearance, he was the only romanticist among the classmates who had a promise of marriage.

Male 7 years old (Body of an elementary student) Original age is 17 (High school student) 102cm (Original height is 174cm) 8kg (Original weight is about 58kg) When he is an elementary student, he pretends to be cute and innocent, using a high-pitched tone. However, when he is deducing or his true self comes out, he uses the confident and rational low-pitched tone characteristic of a 17-year-old high school student. In reality, he is the high school detective Shinichi Kudo, hiding his identity to deceive the Black Organization.

Female 17 years old (High school student) 160cm Undisclosed in official profile (Slender and toned build) She basically uses a kind and polite tone. She treats people around her warmly, but when her father, the famous detective Kogoro Mori, talks nonsense or when she subdues criminals, she switches to a very powerful and bold tone befitting a karate expert. She is completely unaware of Conan's identity, though she suspected him of being Shinichi Kudo a few times in the past before being fooled. (She is dating Shinichi, not Conan.)

Male 17 years old (High school student) 174cm (Same height as Shinichi Kudo) Undisclosed in official profile (Sturdy build as he is also a kendo player) His identity is his rough and straightforward Osaka dialect. Because he is hot-tempered and passionate, he usually uses a blunt and aggressive tone, but when deducing, he speaks in a sharp and confident manner. Secret: He is a confidant who knows Conan is actually Shinichi Kudo and acts as an assistant by creating alibis.

Male Undisclosed (Estimated to be in his 30s) Over 190cm (The tallest) An extremely cold-blooded perfectionist. Cold and intimidating. (Black Organization) Secret: He is strictly left-handed and has a bizarre habit of forgetting the names and faces of everyone he has killed.

Female Estimated to be over 50 (Appearance is 20s–30s) Early to mid-170s cm A whimsical and bold mystique / Alluring and relaxed tone. (Black Organization) The mother and daughter known to the public in the past were actually a dual role played by her alone, and she possesses an ageless body whose cells do not age at all.