Courtesy Warner Bros.

Jason Isaacssummoned an accent that was much too jarring for directorChris Columbuson set of theHarry Pottermovies.

Columbus, however, wasn’t too keen on it.

“I tried it out in the first rehearsal and Chris Columbus went, ‘Okay, Jason, look .

Harry Potter and the Deathly Hallows: Part I (2010) Jason Isaacs as Lucius Malfoy

Jason Isaacs as Lucius Malfoy in ‘Harry Potter and the Deathly Hallows: Part 1’.Credit:Courtesy Warner Bros.

I said, ‘No, but it’s a film about wizards, after all.'”

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I think people will do that in playgrounds," Isaacs said.

Jason Isaacs The White Lotus Season 3 - Episode 8

Jason Isaacs, Parker Posey, Patrick Schwarzenegger, Sarah Catherine Hook, and Sam Nivola in ‘The White Lotus’ season 3.Fabio Lovino/HBO

“Chris went, ‘Alright, let’s go with that.’

Fabio Lovino/HBO

“It’s Durham,“Isaacs toldEsquireof the divisive cadencein an interview published last month.

“Its very specific.

Jason Isaacs in The White Lotus

The Internet exploded with people going, ‘This is the worst accent Ive ever heard in my life.’

But then theres also people from Durham commenting, ‘Spot-on.’

Or, ‘What are you talking about?

Jason Isaacs, Parker Posey, Patrick Schwarzenegger, Sarah Catherine Hook, Sam Nivola in The White Lotus Season 3

Jason Isaacs, Parker Posey, Patrick Schwarzenegger, Sarah Catherine Hook, and Sam Nivola in ‘The White Lotus’ season 3.Fabio Lovino/HBO

He sounds exactly like my dad, or my dentist, or my swim coach.’

So I feel slightly validated.”

Watch Isaacs’ full chat with Jimmy Fallon above.