DreamWorks Animation ; Aardman Animations ; DreakWorks SKG ; produced by Cecil Kramer, Peter Lord, David Sproxton ; story by Sam Fell and Peter Lord and Dick Clement & Ian La Frenais ; screenplay by Dick Clement & Ian La Frenais and Chris Lloyd & Joe Keenen and Will Davies ; directed by David Bowers, Sam Fell
DreamWorks Pictures, Sidney Kimmel Entertainment and Participant Productions present a Sidney Kimmel Entertainment and Parkes/MacDonald production ; produced by William Horberg, Walter Parkes, Rebecca Yeldham, E. Bennett Walsh ; screenplay by David Benioff ; directed by Marc Forster
DreamWorks Animation presents a PDI/Dreamworks production ; screenplay by Jeffrey Price ... [and others] ; produced by Aron Warner ; directed by Chris Miller, Raman Hui