Empresas que han participado
Warner Bros Pictures España
Distribution
Warner Bros. France
InternationalDistributionExports
C.O.R.E. Digital Pictures
VisualEffects
Village Roadshow Pictures
Production
Sony Pictures Imageworks INC.
VisualEffects
Mad Chance
Production
CD2 Films
Production
The Embassy Visual Effects INC.
VisualEffects
Polymorphic Pictures
Production