a Twentieth Century Fox Animation presentation ; a Blue Sky Studios production ; directed by Chris Wedge ; produced by Lori Forte, Jerry Davis ; screenplay by James V. Hart & William Joyce and Dan Shere and Tom J. Astle & Matt Ember
Walt Disney Animation Studios ; produced by Osnat Shurer, Peter Del Vecho ; story by Paul Briggs, Don Hall, Adele Lim, Carlos López Estrada, Kiel Murray, Qui Nguyen, John Ripa, Dean Wellins ; screenplay by Qui Nguyen, Adele Lim ; co-directed by Paul Briggs, John Ripa ; directed by Don Hall, Carlos López Estrada