The official website of the anime adaptation of Ryou Hanada's Devils Line manga has announced staff and additional cast members. The anime is scheduled to air in April 2018.

Staff
Director: Yoshinobu Tokumoto (Strike the Blood episode director)
Assistant Director: Hideaki Nakano (Aoharu x Kikanjuu)
Series Composition, Script: Kenji Konuta (Blood Lad), Ayumu Hisao (Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka)
Character Design: Chisato Kawaguchi (Kuroshitsuji: Book of Circus sub-character design)
Chief Animation Director: Chisato Kawaguchi, Toshimitsu Kobayashi (Ichiban Ushiro no Daimaou)
Action Animation Director: Yasuhiro Saiki (Saiyuuki Reload Blast)
Prop Design: Tomokazu Sugimura (Akiba's Trip The Animation)
Art Director: Masaki Mayuzumi (Servamp)
Color Design: Aiko Yamagami (Jitsu wa Watashi wa)
Director of Photography: Shigeteru Asakawa (Hagure Yuusha no Aesthetica)
Editing: Kashiko Kimura (Supernatural The Animation)
Sound Director: Tooru Nakano (D.Gray-man)
Sound Effects: Eiko Morikawa (Ao no Exorcist), Yuuki Hayashi (Barakamon sound effect assistant)
Sound Production: Pony Canyon Enterprise
Music: Kana Shibue (Shouwa Genroku Rakugo Shinjuu)
Music Production: King Records
Studio: Platinum Vision
Production: Devils line Production Committee

Cast
Nanako Tenjou: Nao Touyama (Gakusen Toshi Asterisk)
Kenichi Yoshii: Shouta Aoi (Oushitsu Kyoushi Heine)
Yousuku Asami: Kazuyuki Okitsu (Prison School)
Naoya Ushio: Ryota Osaka (Gatchaman Crowds)
Megumi Ishimaru: Akira Ishida (Pandora Hearts)

Source: Comic Natalie