Yume Pictures presents School Studio "Shar" ; producers, Andrey Khrzhanovskiy and Artem Vassiliev ; written by Andrey Khrzhanovskiy and Yuriy Arabov ; directed by Andrey Khrzhanovskiy
una producción de Manuel Cristóbal, José Ma. Fernández de Vega ; para Sygnatia, Glow, Submarine Amsterdam, Hampa Studio ; una producción de Manuel Cristóbal [and 4 others] ; guión, Eligio Montero, Salvador Simó ; dirigida por Salvador Simó
Walt Disney Pictures, Ruby Films, Essential Media & Entertainment, in association with BBC Films and Hopscotch Features presents ; written by Kelly Marcel, Sue Smith; directed by John Lee Hancock; produced by Ian Collie, Alison Owen and Philip Steuer