That’s probably why this particular fact hits so surprisingly. While both films had their share of practical and digital effects, Casper worked more consistently with CGI characters, and had a handful of ghosts to thank for it. Still, at the end of the day, the job was done by those beautiful magicians at ILM, and they even got an IHOP breakfast out of the deal. Thankfully, there was probably less of a cleanup effort involved after that particular feast, as they were all still humans who could process food.
Article source: https://www.cinemablend.com/news/2547128/wait-jurassic-park-has-less-cgi-than-just-one-scene-in-casper