The Lost City of Aquatopia

Untitled Pokemon Movie is the 17th film associated with the Pokemon animated series, and is the first one featuring the characters from X and Y Generation. The film is inspired from the old film serials and classic adventure films (mainly Indiana Jones and National Treasure).

Regular characters

 * Rica Matsumoto (Sarah Natochenny in the English adaption) as Ash Ketchum:
 * Ikue Otani as Pikachu:
 * Mayuki Makiguchi (Haven Paschall in the English adaption) as Serena:
 * Yuki Kaji (Michael Liscio Jr. in the English adaption) as Clemont:
 * Mariya Ise (Alyson Rosenfeld in the English adaption) as Bonnie:
 * Megumi Hayashibara (Michele Knotz in the English adaption) as Jessie: A member of Team Rocket.
 * Shinichiro Miki (Carter Cathcart in the English adaption) as James: A member of Team Rocket.
 * Inuko Inuyama (Carter Cathcart in the English adaption) as Meowth: A member of Team Rocket. Unusually for a Pokemon, he has the ability to walk upright and is capable of human speech.

Guest characters

 * Hiroshi Hatanaka (Jason David Frank in the English adaption) as Dr. Jake Rider: an archaeology professor who often embarks on perilous adventures to obtain rare artifacts.
 * Shinichiro Miki as Smokey (Dr. Jake Rider's Charizard): He is the first Pokemon ever obtained by Rider and they've have been together ever since he was a Charmander. He is about seven feet tall and has a darker skin complexion, he has one blind eye and a scar over it, he also has a great dislike or hatred for Stonehedge's Garchomp since he was responsible for his eye.
 * Koichi Yamadera as Dr. Jake Rider's Mew:
 * Kenta Miyake as Thundercat (Dr. Jake Rider's Electabuzz):
 * Katsuyuki Konishi as King (Dr. Jake Rider's Nidoking):
 * Eric Stuart as Tiger (Dr. Jake Rider's Machoke):
 * Katsuyuki Konishi as Rocky Jax (Dr. Jake Rider's Rhydon):
 * Eric Stuart as Baku (Dr. Jake Rider's Hypno):
 * Katsuyuki Konishi as Rufus (Dr. Jake Rider's Mightyena):
 * Jaws (Dr. Jake Rider's Sharpedo):
 * Takahiro Suzuki (Cheech Marin in the English adaption) as Buddy: One of Dr. Rider's sidekicks and best friend of Louie. He is inspired by Bud Abbott.
 * Buddy's Clefable
 * Toshikazu Miura (Tommy Chong in the English adaption) as Louie: One of Dr. Rider's sidekicks and best friend of Buddy. He is inspired by Lou Costello.
 * Rachael Lillis as Louie's Jigglypuff
 * Akira Takarada (Jonathan Freeman in the English adaption) as Khan: The high priest and leader of a cult-like organization seeking the secret weapon hidden in the lost city.
 * George Tokoro (Mark Hamill in the English adaption) as
 * Masachika Ichimura (Tim Curry in the English adaption) as Dr. Nathan Stonehedge: A British archaeologist and Dr. Jake Rider's arch-nemesis. Like Rider, Stonehedge scoured the globe for antiquities, but would rather sell them for his own profit instead of giving them to a museum as Jake did. On several occasions, he would simply let Rider do the dirty work and then steal the prize for himself.
 * Katsuyuki Konishi as Dr. Nathan Stonehedge's Garchomp:
 * Koichi Sakaguchi (Darren Dunstan in the English adaption) as Dr. Nathan Stonehedge's Metagross:
 * as Dr. Nathan Stonehedge's Mewtwo:
 * Mari Natsuki (Michele Knotz in the English adaption) as Colonel Helga Krause: A villainous and ruthless agent and military officer leading the operation to secure the lost city. She is psychic, as well as a very skilled fencer and combatant.

Other characters

 * Masami Toyoshima (Sarah Natochenny in the English adaption) as Delia Ketchum: Ash's mother and Dr. Rider's ex-girlfriend.
 * Naomi Kusumi (Fred Tatasciore in the English adaption) as Steve Ketchum: Ash's deceased father, Delia's late husband, and Rider's childhood friend.

Trivia

 * This film will be the first Pokemon film (since Pokemon the Movie: Black-Victini and Reshiram and White-Victini and Zekrom) to be released theatrically in the USA.
 * This film will be considered the darkest Pokemon film ever made.
 * The relationship between Rider and Smokey is similar to Ash and Pikachu's.