Character Relationship Map: Red Diamond

Characters

• Keita Kizuka (played by Makoto Fujita) — protagonist
• Yoshiko Ido (played by Yoshiko Mita) — supporting
• Genichiro Mori (played by Meichō Soganoya) — supporting
• George Takase (played by Kunie Tanaka) — supporting
• Otora (played by Chōchō Miyako) — supporting
• President (played by Hajime Hana) — supporting
• Chin (played by Kichijirō Ueda) — supporting
• Kyoko (played by Shigemi Kitahara) — supporting
• Sumi Inoue (played by Yoshiko Fujita) — supporting
• Yasuki (played by Fumitake Ōmura) — supporting
• Nanako (played by Shigeko Arai) — supporting
• Yuri (played by Yuko Chishiro) — minor
• Keiichi Ono (played by Seiichirō Kameishi) — minor
• Tamaru (played by Genji Kawai) — minor
• Tatsuji Matsuzaki (played by Someshō Matsumoto) — minor
• Narrator (voice) (played by Takayuki Akutagawa) — cameo