Twentieth Century Fox presents a Blue Sky Studios production ; directed by Chris Wedge ; co-directed by Carlos Saldanha ; produced by Lori Forte ; story by Michael J. Wilson ; screenplay by Michael Berg and Michael J. Wilson and Peter Ackerman
Twentieth Century Fox Animation presents a Blue Sky Studios production ; directed by Steve Martino, Michael Thurmeier ; produced by Lori Forte, John C. Donkin ; screenplay by Michael Berg and Jason Fuchs ; story by Michael Berg and Lori Forte