The late actor Val Kilmer just got broadsided in the hereafter by his director on the 2008 film “Conspiracy.”

Adam Marcus called the “Doors” star “the worst human being I’ve ever known” while pooh-poohing the notion that one shouldn’t “speak ill of the dead.”

Accompanied by a photo of him with Kilmer on Threads, Marcus wrote in the now-deleted post, per Entertainment Weekly: “#MicroIntellectMonday to that time when I directed that guy. The guy who played Iceman and Doc Holiday [sic]. You know the one. Here’s me and the Putz working it out on the set of ‘Conspiracy.’”

“And to any of you rolling your eyes because of the whole ‘don’t speak ill of the dead’ bullshit, fuck that,” Marcus continued. If Kilmer “did one-tenth of what he did on my set today, he would have been cancelled in a blink.”

“Worst human being I’ve ever known… and that is really saying something,” he concluded.

Kilmer played a war vet trying to solve a friend’s disappearance in the heavily panned “Conspiracy.”

But Marcus just smoked him with one of the toughest reviews of all. And that’s saying something.

“Batman Forever” director Joel Schumacher once called Kilmer “childish and impossible.” “The Island of Dr. Moreau” director John Frankenheimer said he’d never work with him again.

Even ex-girlfriend Cher gave Kilmer a mixed review ― albeit a lighthearted one ― following his 2025 death from pneumonia at age 65. “Pain in the ass,” she said.

Marcus did not immediately respond to a HuffPost request for comment.

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