The official website for the previously announced Layton Mystery Tanteisha: Katri no Nazotoki File TV anime has announced additional cast and staff members. The anime is slated for Spring 2018 via Fuji TV on Sundays at 8:30 a.m.

Cast
Sharo: Juurouta Kosugi (JoJo no Kimyou na Bouken)
Noah Montole: Kyousuke Ikeda (the Haikyuu!! series)
Darjeeling Aspowalo: Youhei Tadano (Isekai Shokudou)
Simon Light (First Episode Guest): Tsubasa Imai (ex-Tackey & Tsubasa)

Staff
Supportive Director: migmi (Youjo Senki direction)
Prop Design: Takayuki Onoda (Shoujo Shuumatsu Ryokou animation director)
Color Setting: Takahiro Mogi (the Nanatsu no Taizai series)
Art Director: Takamasa Nakakuki (Detective Conan)
Background: Quun Plant
Music: Tomohito Nishiura (Layton Kyouju to Eien no Utahime)
Sound Director: Ryou Tanaka (Inuyashiki)
Sound Effect: Yuusuke Inada (Keppeki Danshi! Aoyama-kun)
Sound Production: Tohokushinsha Film Corporation
Director of Photography: Ayumi Okano (High School Fleet supportive director of photography)
Photograph: Graphinica
3DCGI: Felix Film
Editing: Kiyoshi Hirose (the Shingeki no Bahamut series), Misaki Enokida (Koi wa Ameagari no You ni supportive editor)

Source: Comic Natalie