The Fate/EXTRA Last Encore anime is to air in winter 2017, and cast details, a PV and a new visual have now been released for Caster!
This series is based on the TYPE-MOON game in the Fate franchise, Fate/EXTRA, and this is the first time that this story has been adapted into an anime. The animation itself is being handled by Shaft while series composition is by Nasu Kinoko.
As part of the Caster reveal, it’s been revealed that her voice actress will be Nonaka Ai. More details can be found on the official site, and you can see the visual and PV below!

Fate/EXTRA Last Encore
Staff:
Original Work: TYPE-MOON / Marvelous
Series Composition: Nasu Kinoko
Original Character Design: Wadarco
General Director: Shinbo Akiyuki
Series Director: Miyamoto Yukihiro
Character Design: Takiyama Masaaki
Music: Kosaki Satoru
Animation: Shaft
Cast
Kishinami Hakuno: Abe Atsushi
Saber: Tange Sakura
Archer: Toriumi Kousuke
Rider: Takano Urara
Caster: Nonaka Ai
Fate/EXTRA Last Encore Official Site: http://fate-extra-lastencore.com/
(C) TYPE-MOON/Marvelous, Aniplex, Notes, SHAFT
Adapted with permission from SPICE