Marta Balaga Genndy Tartakovsky, behind “Hotel Transylvania” and “Star Wars: Clone Wars,” has revealed the voice cast – led by Adam Devine, Idris Elba, Kathryn Hahn – and a first-look image for his upcoming R-rated animation, “Fixed.” The film, which will be completed in September, is an adult comedy about Bull: an average dog who discovers he’s going to be neutered in the morning. As the gravity of this life-altering event sets in, Bull realizes he needs one last adventure with his pack of best friends as these are the last 24 hours with his balls. New Line Cinema and Sony Pictures Animation are on board.