Sam Neill, the acclaimed New Zealand actor best known for portraying paleontologist Dr. Alan Grant in the Jurassic Park franchise, has died at the age of 78.

Neill died on Monday, July 13, in Sydney, Australia, surrounded by members of his family. His relatives announced the news through a statement published on the actor’s official Instagram account, describing his death as “sudden and unexpected.”

The family did not disclose a specific cause of death. It emphasized, however, that Neill was cancer-free when he died, an important distinction given his highly publicized battle with a rare form of blood cancer.

“Sam was surrounded by family and passed with the dignity that has characterised his whole life,” the statement said. His relatives also thanked the staff at St Vincent’s Private Hospital in Sydney for the care provided to the actor and requested privacy while they mourn his loss.

What was Sam Neill’s cause of death?

As of July 13, Sam Neill’s family had not announced his official cause of death. The statement only described his passing as sudden and unexpected and indicated that additional information could be released later.

Although Neill had previously been diagnosed with cancer, his relatives made clear that he remained cancer-free at the time of his death. Therefore, there is currently no basis to report that cancer caused his passing.

Neill revealed in 2023 that he had been diagnosed the previous year with stage-three angioimmunoblastic T-cell lymphoma, a rare type of non-Hodgkin lymphoma that affects the blood and immune system.

The actor received chemotherapy, but that treatment eventually stopped working. He later underwent CAR T-cell therapy, an immunotherapy that modifies a patient’s immune cells to help them identify and attack cancer.

In April 2026, Neill said that he was cancer-free after receiving the specialized treatment. His family reiterated that status when announcing his death. Until medical authorities or his relatives release further details, the precise cause must be considered undisclosed.

What was Sam Neill’s net worth?

Sam Neill had an estimated net worth of $18 million at the time of his death, according to figures published by Celebrity Net Worth and subsequently cited by other media outlets. The amount should be understood as an outside estimate rather than a figure confirmed through public financial records or by the actor’s estate.

His fortune was built primarily through his extensive career in film and television, which included major Hollywood productions, independent films, international television series, voice acting, directing and producing.

Neill’s financial interests also extended beyond entertainment. In 1993, he founded Two Paddocks, a wine company based in Central Otago, New Zealand. The business produces wine from four certified organic vineyards and is particularly associated with Pinot Noir, according to the official Two Paddocks website.

The actor also owned real estate in Australia and New Zealand. In 2020, he reportedly sold a four-bedroom residence in Double Bay, one of Sydney’s most affluent suburbs, for approximately $3.6 million.

Those assets, along with his acting income and wine business, contributed to published estimates of his wealth. However, Neill’s exact earnings from the Jurassic Park movies and the value of his stake in Two Paddocks were never publicly confirmed.

How did Sam Neill become famous?

Born Nigel John Dermot Neill on September 14, 1947, in Omagh, Northern Ireland, the actor moved to New Zealand with his family when he was seven years old. He later adopted the name Sam and studied English literature at Victoria University of Wellington.

Neill began his professional career in New Zealand theater and worked for the country’s National Film Unit, where he directed documentary shorts. His breakthrough came with the 1977 political thriller Sleeping Dogs, directed by Roger Donaldson.

He gained wider international recognition after appearing opposite Judy Davis in the 1979 Australian drama My Brilliant Career. In 1981, he played Damien Thorn in Omen III: The Final Conflict and starred opposite Isabelle Adjani in Andrzej Żuławski’s Possession, which later developed a strong cult following.

His credits during the following years included Reilly, Ace of Spies, A Cry in the Dark, Dead Calm and The Hunt for Red October. His performances established him as an actor capable of moving between thrillers, historical dramas, horror films and large-scale Hollywood productions.

Why was Alan Grant in ‘Jurassic Park’ Sam Neill’s most famous role?

Sam Neill became an international star in 1993 when Steven Spielberg cast him as paleontologist Dr. Alan Grant in Jurassic Park.

The science-fiction adventure became one of the biggest commercial successes in cinema history and transformed the use of computer-generated visual effects in Hollywood. Neill’s portrayal of Grant—an expert initially uncomfortable around children who is forced to protect them during the dinosaur disaster—became the role most closely associated with his career.

He returned as Alan Grant in Jurassic Park III in 2001 and again in Jurassic World Dominion in 2022. The latter reunited him with original cast members Laura Dern and Jeff Goldblum.

Also in 1993, Neill appeared in Jane Campion’s The Piano, playing the husband of Holly Hunter’s character. The acclaimed drama won three Academy Awards and demonstrated the breadth of Neill’s work during one of the most consequential years of his career.

What other movies and television shows featured Sam Neill?

Beyond the Jurassic Park franchise, Neill appeared in a long list of prominent productions, including:

• Dead Calm
• The Hunt for Red October
• In the Mouth of Madness
• Event Horizon
• The Horse Whisperer
• Bicentennial Man
• The Dish
• Daybreakers
• Hunt for the Wilderpeople
• Rams
• Thor: Ragnarok
• Thor: Love and Thunder

On television, he portrayed the legendary wizard in the 1998 miniseries Merlin, a performance that earned him Emmy and Golden Globe nominations. He later appeared in The Tudors, Peaky Blinders, Invasion, The Twelve and Apples Never Fall.

Neill received three Golden Globe nominations and multiple Primetime Emmy nominations during his career. He was appointed an Officer of the Order of the British Empire in 1991 and became a Knight Companion of the New Zealand Order of Merit in 2022 for his contributions to acting.