GKids ; Didier Brunner, Viviane Vanfleteren, Paul Young present a France-Belgium-Ireland coproduction ; Les Armateurs, Vivi Film, Cartoon Saloon, France 2 Cinéma ; Flatiron Film Co. ; GKids presents ; a film by Tomm Moore ; screenplay by Fabrice Ziolkowski ; director, Tomm Moore ; co-director, Nora Twomey
GKids ; Cartoon Saloon [and four others] present ; produced by Tomm Moore [and ten others] ; in association with Irish Film Board ; made with the support of Film Board Luxembourg [and eight others] ; screenplay by Will Collins ; based on an original story by Tomm Moore ; director, Tomm Moore