Franklin (samuel jackson? Samuel? Me? Jackson? Providing Susan with a lot of money? Dr. Macalester (Saffron bruns? Crocus? Bruns. Study on anti-Alzheimer's disease drugs. Susan and her team extracted protein from shark brain and injected it into dead human brain cells in a well-equipped undersea research center. In order to extract more shark brain proteins, Susan also increased the brain capacity of sharks. This move makes the shark, which was originally used as an experiment, stronger and smarter. Shark expert Carter (Thomas Jane? Thomas? Jane? I got along with sharks day and night, and I found that sharks were strange, so I warned Susan.