Tom Felton pointed out that his real-life grandpa is in the 1st 'Harry Potter' movie

• Tom Felton recently said his grandfather had a small role in the first "Harry Potter" movie.
• He pointed out his "granddad" while rewatching the film with fans via Instagram Live.
• Felton's grandpa, Nigel Anstey, is an accomplished British geophysicist and researcher.

Draco Malfoy actor Tom Felton has been rewatching "Harry Potter and the Sorcerer's Stone" with fans via Instagram Live.

On January 26, alongside other fun facts and behind-the-scenes secrets about the film, the British actor shared that his actual grandfather appeared in several scenes of the first movie.

Felton was very excited the first time his grandpa came on screen

Felton seemed pretty excited when he saw his grandpa's first on-screen appearance in "Sorcerer's Stone."

"That's my grandfather on the far right, right now," Felton said with what seemed like genuine surprise.

Felton's grandfather appeared briefly at the faculty table in the scene where Harry, Malfoy, and the other first-years enter the Great Hall for the first time.

During a January 27 Instagram livestream, Felton spotted him twice more.

"That's my gramps!" he shouted during the scene where Professor Quirrell announces there's a troll in the dungeon. "Oh my days, it actually goes my gramps then me."

He spotted him again during the first quidditch match saying, "There's my grandpa again - the guy with the beard ... Right next to Lee Jordan," making it clear exactly which extra he was.

In real life, Felton's grandfather is a British researcher and geophysicist

Felton's grandpa, Nigel Anstey, is actually pretty well known in his field.

The geophysicist has many honors and published works under his belt, and the European Association of Geoscientists and Engineers even has an annual award named after him.

This isn't the first time Felton's shared tidbits about his 'gramps'

This week's Instagram videos were not the first time Felton let fans in on his family secret.

Last March, Felton posted a screenshot of Anstey at the quidditch match in "Sorcerer's Stone" on his Instagram.

In May 2020, on Weasley-twin actors James and Oliver Phelps' podcast, the trio reminisced on some of the early days of shooting, including memories of Anstey on set.

Back in 2011, Felton also told Hollywood Reporter that his grandpa helped him master his iconic Draco Malfoy snarl.

"My grandfather did help me a bit with that, learning how to do it," he said. "It's sort of the signature Draco expression and Grands had me practice a lot."

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