Dr. Alan Grant is a fictional character from the Jurassic Park franchise, created by author Michael Crichton. He is a paleontologist known for his expertise in dinosaurs and their behavior. In the original Jurassic Park film, he is portrayed by actor Sam Neill and plays a crucial role in the story as he navigates the dangers of a dinosaur theme park. In the narrative, Dr. Grant is invited to evaluate the park's safety but soon finds himself in a life-threatening situation when the dinosaurs escape. His character is often depicted as knowledgeable and resourceful, showcasing a deep understanding of prehistoric life and the importance of respecting nature.