Rashida Jones, Cameron Seely, and Kenan Thompson also joined the cast, while Pharrell Williams, who had previously worked on Illumination's Despicable Me films, was revealed to be narrating the film.
Rashida Jones , Cameron Seely, dan Kenan Thompson juga bergabung dengan para pemeran, sementara Pharrell Williams , yang sebelumnya bekerja pada film Illumination, diturunkan untuk menceritakan film tersebut.