UK anime distributor Anime Limited revealed the English dub cast for Kenji Kamiyama's anime film Napping Princess (Ancien and the Magic Tablet or Hirune Hime: Shiranai Watashi no Monogatari) on Friday. The cast includes:

Brina Palencia as Kokone/Ancien

Doug Erholtz as Momotaro/Peach

Lex Woutas as Watanabe/Bewan

Colleen O'Shaughnessey as Joy

Chris Niosi as Morio

Stephanie Sheh and Michael Sinternklaas are directing the dub at NYAV Post.

Anime Limited will screen the film in theaters in the United Kingdom and Ireland on August 16. Some screenings will have the English dub while others will be in Japanese with English subtitles.

The film opened in Japan on March 18 in 232 theaters nationwide, and ranked #9 in the Japanese box office in its opening weekend. The film will screen in 40 countries and regions worldwide. GKIDS has licensed the film for the United States. The New York International Children's Film Festival (NYICFF) screened the film on March 19 in Japanese with English subtitles. The film will screen at Anime Fest in Dallas this month.

The film won the Gold Prize for the "Best Animated Feature Film" audience award at Montreal's Fantasia International Film Festival.

Anime Limited began streaming a trailer for the film on Wednesday.

The New York International Children's Film Festival describes the story:

This fender and genre-bending film takes us into the not-too-distant machine-driven future. Kokone should be diligently studying for her university entrance exams, but she just can't seem to stay awake. Aside from stealing precious study time, her napping is even more distracting, as it brings on strange dreams with warring machines that hint at family secrets that have been dormant for years. She can't ask her father, a hipster mechanic more talented and artful than his job requires, as he's always busy modifying motorcycles and cars in flights of fancy. What are these visions that lead Kokone at once closer to and farther away from her family? Like all the best anime, the film revels in multilayered fantasy to show how sometimes opposites—waking and dreaming, the past and the future—are far more intertwined than they appear.

I.G Port's new anime studio subsidiary Signal.MD (Tantei Team KZ Jiken Note, Anime Tamago's "Colorful Ninja Iromaki" short) animated the film as its first anime film project. Kamiyama ( Ghost in the Shell: Stand Alone Complex , Moribito - Guardian of the Spirit , Eden of the East ) directed the film and penned the script. Satoko Morikawa ( The Cat Returns , Eden of the East , Xi Avant ) designed the characters, and Shigeto Koyama ( Michiko & Hatchin , Moribito - Guardian of the Spirit , Heroman ) was charge of mechanical design. Yoko Shimomura ( Kingdom Hearts, Final Fantasy XV ) composed the music for the film.

Yen Press licensed the manga adaption of the film and began releasing it in North America in February.

[Via The Fandom Post]

Update: Chris Niosi added. Thanks, deathfromabove1993.