DreamWorks Pictures presents a PDI/DreamWorks production ; directed by Andrew Adamson, Vicky Jenson ; producers, Aron Warner, John H. Williams, Jeffrey Katzenberg ; written by Ted Elliott & Terry Rossio and Joe Stillman and Roger S.H. Schulman
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
Disney ; Walt Disney Animation Studios ; directed by Don Hall, Carlos López Estrada ; co-directed by Paul Briggs, John Ripa ; produced by Osnat Shurer, Peter Del Vecho ; screenplay by Qui Nguyen, Adele Lim ; story by Paul Briggs, Don Hall, Adele Lim, Carlos López Estrada, Kiel Murray, Qui Nguyen, John Ripa, Dean Wellins