While Jason Isaacs has been open about an allegedly native experience he had with a former costar, he has yet to reveal his so-called bully’s identity.
Isaacs first spoke about the alleged incident between him and a former costar during a 2011 interview with the Telegraph. The actor claimed to the outlet that the unnamed person tried to push him out of their shared project. No additional details or clues were given at the time.
In 2011, Isaacs’ career had already taken off, as he had worked with countless big Hollywood names. He appeared alongside Dennis Quaid and Sean Connery in Dragonheart, in addition to Mel Gibson and the late Heath Ledger in The Patriot. Isaacs was in the star-studded Armageddon cast, which included Bruce Willis, Billy Bob Thornton, Ben Affleck, Owen Wilson and Steve Buscemi. Isaacs also worked with Daniel Radcliffe, Ralph Fiennes and the late Alan Rickman in the Harry Potter franchise.
For TV, Isaacs snagged a role in The West Wing alongside Martin Sheen, Bradley Whitford and Rob Lowe. He also appeared in Entourage which starred Kevin Connolly, Adrian Grenier and Jeremy Piven.
More than a decade later, Isaacs shared more details about his alleged encounter with the mysterious costar in an interview with Vulture, published on June 16, 2025. Isaacs referred to the former costar as ‘the worst bully ever and a global icon.”
“[They did all the old tricks of doing a completely different performance off-camera than on,” Isaacs recalled. “Yeah, it sucked. I’d never seen anything like it.”
Isaacs added that the actor was someone he looked up to and he “would’ve licked the ground that this person walked on.”
In addition to his former costar bully, Isaacs admitted that there have been multiple instances where someone has rubbed him the wrong way.
“When I think someone’s terrible, someone else might think they’re brilliant. One of the things that’s very charismatic is madness,” he recalled. “I remember talking about one particular person who I thought was just unwatchably bad, and my wife said, ‘Don’t you understand that’s why you can’t take your eyes off them? They don’t deliver lines like they understand what they’re saying, but what they do is just mesmeric.’ And next time I was on set, I went, ‘Oh God. You’re right.’”
Isaacs explained that he keeps an eye out for “bad behavior” on set.
“It’s selfishness, cruelty, bullying, or people complaining to the person who’s getting them dressed, who doesn’t get in a year what they earn in a day to pick their filthy underwear off the floor,” he told the outlet. “That, or not turning up, or going home early, or thinking they know better than the director, or being on crack and calling prostitutes to their trailer. I come across all that stuff.”
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