TULIP (The Undercover Line of International Police) is a New York-based international police force in direct opposition to the criminal organization TIGER (The International Group of Espionage and Revolt). Shunsuke Dan is agent Spycatcher J3 of the TULIP Japan Branch. Spycatcher J3 stands against TIGER's machinations.

• Toei Tokyo
• Yūsuke Kawazu
• Shinjirô Ehara
• Tetsuro Tamba
• Yuki Jōno
• Akemi Negishi
• Takako Sasaki
• Hideo Murota
• Setsuko Amano