The Big Chase: Tokyo SSBC Files

Set in the SSBC (Investigation Support and Analysis Center, ISSAC) (捜査支援分析センター, Sousa Shien Bunseki Center), a specialized group within the Metropolitan Police Department founded in 2009, this story focuses on the SSBC's newly established Violent Crimes Unit. This elite team of analysts and investigators is at the forefront of modern policing. As experts in analyzing CCTV, digital forensics, and criminal profiling, their pivotal role in solving a major nationwide robbery, cracking an encrypted communication app to catch the mastermind, catapulted them to fame.The new unit is dedicated to supporting the First Investigative Division in tackling serious crimes like murder, robbery, and arson.^[4]

Main^[5] Add. cast 1^[6][7] Add. cast 2^[8][9] Add. cast 3^[10]

Police

• Shuji Igaki (played by Nao Omori). Former detective in the First Investigative Division. Got into some trouble three years before the story begins and was transferred to mobile analysis in the Violent Crimes Division (VCD) of the Metropolitan Police Department's Criminal Investigation Support and Analysis Center (SSBC), of which he is now in charge of. He is dissatisfied with his chaotic job as a mobile analyst. He becomes Rintaro's trainer following his transfer.
• Rintaro Nanami (played by Masaki Aiba). He is a career officer who was transferred from the National Police Agency to the SSBC VCD, where he works in mobile analysis. After graduating from a top university, he worked for a foreign securities company before passing the mid-career recruitment exam for national civil servants and joining the National Police Agency. His uncle is the former National Police Agency Commissioner General and current Chief Cabinet Secretary. He is single and has never been married.
• Haruka Aoyagi (played by Nao Matsushita). Chief detective of the Metropolitan Police Department's First Investigative Division. Closely involved in investigations with the SSBC Violent Crimes Division, she was transferred from the local precinct to the headquarters in exchange for Igaki, who was transferred to the Violent Crimes Division. Recognized for her excellence and leadership as a detective, she was selected for her current position. She was married to Igaki, divorced four years before the story begins. They have a 13-year-old daughter.
• Osamu Kisawa (played by Atsushi Itō. He is in charge of information analysis at the SSBC Division. An excellent profiling officer at the SSBC Violent Crimes Division. Kizawa's approach is almost game-like; the more cunning the criminal, the more energized he gets.
• Katsuya Oyamada (played by Hey! Say! JUMP's Yuya Takaki [ja]. A veteran of the SSBC Violent Crimes Division's mobile analysis unit. He is the athletic type within the typically non-athletic Division.
• Sayaka Mitsumoto (played by Rika Adachi). A tech support specialist on the SSBC team. She's a tech whiz, but also a highly collaborative, sophisticated professional.
• Rumi Nishina (played by Rei Maruyama [ja]). Information support specialist in the new SSBC team, her expertise is in security camera image processing and facial recognition. As a returnee from overseas, Nishina sometimes uses English in her reactions. She seems intrigued by the team's new member.
• Shinnosuke Jou (played by Kota Nomura [ja]. He is the youngest in the mobile analysis team. A bright and bubbly child–type, he partners with Oyamada.
• Minamoto Shintaro (played by Toshihiro Yashiba}. Member of the Mobile Investigation Unit who frequently works alongside the First Investigative Division and the SSBC Violent Crimes Unit.
• Masao Yaegashi (played by Kenichi Endō). Detective.
• Shigeru Kuzuhara (played by Ken Mitsuishi). Works in the SSBC Violent Crimes Unit with CCTV cameras.

Government

• Shunsuke Kuze (played by Koichi Sato). Current Chief Cabinet Secretary. Rintaro Nanami's uncle.

Press

• Kotone Shimizu (played by Rin Mizushima [ja]. A television news reporter

Murderous intent is reflected (Ep. 1)

• Kiryu Satoshi, startup Playverge's founder and president. He was stabbed to death.
• Ryosuke Tamai (played by Shunsuke Nakamura [ja]), vice-president of startup Playverge. He narrowly escapes a knife attack, just as CEO Kiryu Satoshi is murdered. Learning of Kiryu's death leaves Tamai completely devastated.
• Koichi Kawase (played by Kenta Hamano), a game programmer who co-founded the company with the late Kiryu. Their falling out, stemming from Kiryu's favoritism towards Vice President Tamai, led to the discovery of Kawase's embezzlement and subsequent firing. Now, he's a key suspect.

Rush Order (Ep. 2)

• Taizo Arakawa (played by Mutsuo Yoshioka [ja], a wanted criminal caught on surveillance camera footage.
• Yukari Hoshino (Ayumi Ito), a woman discovered to be living with Arakawa.
• Ichinose (played by Matsuyuki Orakio [ja]), taxi driver that confirms Arakawa and Hoshino's building location.

Reflected truth (Ep. 3)

• Shoko Mochida (played by Naoko Hata), one of the victims, a single mother that was attacked.
• Tatsuya Senba (played by Kazuto Mokudai [ja]), suspect in a series of attacks.
• Keiichiro Senba (played by Kanji Yamaguchi), a politician who is secretary-general of the ruling party. Tatsuya Senba's father.

On July 2, it was announced that Dreams Come True was in charge of the series' theme song, titled "Beacon".^[20][21]