The Congress by director Ari Folman (Waltz With Bashir) opens the Quinzaine des Réalisateurs in Cannes on May 16. One of the animation studios that collaborated on the film is Brussels' Walking The Dog by Eric Goossens and Anton Roebben. The Belgian co-producer is Entre Chien et Loup. The Congress is an international co-production between Israel, Germany, Poland, Luxembourg, France and Belgium.