According the poster for the movie, which was released today with the names for the main cast members, Sasuke Uchiha will join Naruto Uzumaki, Bolt Uzumaki, and Sarada Uchiha in Boruto: Naruto the Movie. He will be played by the same voice actor for Sasuke throughout the great anime series, Noriaki Sugiyama. Naruto will also be played by the voice actress that has voiced him since episode 1 of Naruto, Junko Takeuchi.
Along with news that Sasuke will be in the movie, the voice actress for Boruto and Sarada have been revealed! Boruto will be played by Yuuko Sanpei, a 29-year-old woman who has been lending her voice to various anime since 2001. Sarada will be played by Kokoro Kikuchi, a 32-year-old woman who interestingly enough played Boruto in The Last: Naruto the Movie.
A plot for the movie has not yet been revealed, but Masashi Kishimoto, the creator of Naruto, will serve as chief production supervisor, create the character designs, and play a role in writing the script. Saiyan Island hopes to have more details on the movie as they are announced.