Warner Bros. Pictures presenta un produccinón de Aparte Producciones, Atresmedia Cine, Telefonica Studios una comedia de Nacho G. Vellila ; producida por Mikel Lejarza, Mercedes Gamero, Ignacio Fernández-Vega, Nacho G. Velilla ; guionistas, David S. Olivas, Oriol Capel, Antonio Sánchez, Nacho G. Vellilla ; dirigida por Nacho G. Velilla
Armada Films et Why Not Productions présentent une coproduction Why Not Productions, Armada Films, France 3 Cinema ; un film de Xavier Beauvois ; scénario, Etienne Comar ; adaptation et dialogues, Xavier Beauvois, Etienne Comar
Toho Company ; English reversioned by FUNimation Entertainment ; producers, Carly Hunter, Justin Cook ; head writer, John Burgmeier ; original Japanese version: producers, Saito Yuichiro, Ito Takuya, Watanabe Takashi ; screenplay, Okudera Satoko, Hosoda Mamoru ; animation director, Yamashita Takaai
presented by Studio Chizu LLP and Nippon TV ; a Studio Chizu production ; produced by Genki Kawamura, Yūichirō Saitō, Nozomu Takahashi, Toshimi Tanio ; written and directed by Mamoru Hosoda