The clues behind this show’s mysteries are becoming clearer by the day.

Layton Mystery Tanteisha: Katori no Nazotoki File (Layton Mystery Detective Agency: Kat’s Mystery-Solving Files) anime website updated with a new cast members, as well as a première window and information on the show’s theme songs.

We break the details down below:


Hibiki Yamamura will play Geraldine Loyer, a leading profiler from London who’s earned the nickname of “Genius Analyst. A visual for the character was also revealed, which you can check out below.

Theme Songs

Opening theme song Changed! will be performed by Kana Adachi. The show’s closing theme, which is untitled as of press time, will be performed by Kana Hanazawa.


Layton Mystery Tanteisha: Katori no Nazotoki File will hit Japanese TV on April 8.

Susumu Mitsunaka (Haikyu!!, Cuticle Detective Inaba) will direct the project at Liden Films, with Yoko Takada providing character designs. Akihiro Hino (Mobile Suit Gundam AGE) is in charge of series composition. Hino is also credited as the original creator and creative director for the series.

Other confirmed crew members include:

  • Music: Tomohito Nishiura
  • Original Character Design: Takuzō Nagano
  • Art Director: Takamasa Nakakuki
  • Sound Director: Ryō Tanaka
  • Director of Photography: Ayumi Okano
  • Assistant Director: migmi
  • Color design: Takahiro Mogi
  • Creative Director: Akihiro Hino
  • Prop Design: Takayuki Onoda
  • Sound Effects: Yuusuke Inada

The series will star the following:

  • Katrielle “Kat” Layton: Kana Hanazawa
  • Sherl: Juurouta Kosugi
  • Noah Montor: Kyousuke Ikeda
  • Darjeeling Aspoiro: Youhei Tadano
  • Simon Wright (Episode 1): Tsubasa Imai

Hanazawa is reprising her role as Kat from the previously-released video game. All other roles have been recast. Tsubasa Imai is a singer and actor, who is making her anime début in a guest role. A visual for Imai’s character was released, which you can check out below:

Layton Mystery Tanteisha Katori no Nazotoki File is based on 2017 game Layton’s Mystery Journey: Katrielle and the Millionaires’ Conspiracy. The series will focus on Katrielle “Kat” Layton, daughter of the famed Hershel Layton. Much like her father, Kat solves mysteries throughout London with the aid of her talking dog Sherl.

Source: Ota-suke