Sam Neil was pretty much an unknown before the Jurassic Park phenomenon and its epic success took hold! And there was a threat from within to not have him play the iconic role and in fact, replace him with someone of equal value!? Dr Alan Grant was instrumental in making Jurassic Park one of the most beloved movie franchises of all time, and in this video we're going to take a look at the casting behind one of the greatest movies of all time and one of the greatest doctors of all time! Enjoy: https://www.youtube.com/watch?v=1vaZJkjuzM8 Subscribe to join the FILMANIA Trex lovers!: https://www.youtube.com/channel/UCD3sCWR8lRo1I18yCuOrA_A Hammond invites paleontologist Alan Grant and paleobotanist Ellie Sattler to Jurassic Park. Upon arrival, the group is shocked to see a live Brachiosaurus. At the park's visitor center, the Dr. Grant group learns that the cloning was accomplished by extracting dinosaur DNA from prehistoric mosquitoes preserved in amber. DNA from frogs and other animals was used to fill in gaps in the genome of the dinosaurs, and to prevent breeding, all the dinosaurs were made female by direct chromosome manipulation, Dr Grant seems that life will always find a way and things aren't so simple when playing god!