Jurassic World may not have appearances from any of the original cast (human at least), but it does have a few cameos that film fans will appreciate. The announcer on the monorail as Zach and Gray enter the park is none other that Pixar veteran Brad Bird. The monorail wouldn't look out of place in Bird's own Tomorrowland, making it a rather purposeful in-joke (even if it does bring up memories of that disappointment).