The Irish director behind a viral AI clip of Tom Cruise and Brad Pitt grappling over the death of Jeffrey Epstein says he made it “as a dumb joke” — but concedes it landed like a warning shot across Hollywood’s bows.

Ruairi Robinson, a Dublin-born sci-fi film-maker, typed a two-line prompt into Seedance 2.0, a generative video tool from the Chinese group ByteDance. Minutes later, it spat out a 15-second sequence with lifelike versions of the actors. Pitt’s character shouts: “You killed Jeffrey Epstein, you animal. He was a good man.” Cruise replies: “He knew too much about our Russia operations. He had to die — and now you die too.” Cruise then forces him to the ground.

Robinson’s reaction, he says, was: “Oh shit.”

Posted on X last month, the clip tore through the film world at speed. Rhett Reese, a writer of Deadpool, summed up the industry’s mood — part amazement, part dread.

“In next to no time, one person is going to be able to sit at a computer and create a movie indistinguishable from what Hollywood now releases,” he said.

Robinson, 48, insists he was not trying to write cinema’s obituary, just give the industry a jolt. “A lot of people have had their heads in the sand about what’s clearly on the way,” he said. “If you’re making a Marvel film, why spend seven months running complex simulations for water or a tidal wave when a prompt can generate something comparable in minutes?”

ByteDance has marketed Seedance 2.0 on its ability to handle complex motion scenes. Yet some fear actors’ faces and voices could be replicated with little friction — and without permission.

The Motion Picture Association and others have raised alarms about what this means for copyright and likeness rights.