Which actor played Dr. Alan Grant in the 1993 horror adventure film Jurassic Park?

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Sam Neill played Dr. Alan Grant in the 1993 horror adventure film Jurassic Park.

Grant is a paleontologist who is brought to Isla Nublar to assess the safety of John Hammond’s dinosaur theme park. Although Jurassic Park is often classified primarily as science fiction or adventure, its scenes involving the Tyrannosaurus and velociraptors are central examples of blockbuster horror suspense.

Neill was born in Northern Ireland and raised in New Zealand. Before Jurassic Park, he had already built a substantial film career, including leading roles in My Brilliant Career and Dead Calm. His performance as Grant helped make the character’s scientific expertise and protective instincts accessible to a broad audience.

Jeff Goldblum played mathematician Ian Malcolm, while Laura Dern played paleobotanist Ellie Sattler. Richard Attenborough portrayed park founder John Hammond, so these names are common mix-ups when recalling the film’s principal cast.

Source: Wikipedia · fact-checked Sept. 2026

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