The central scandal of Altered States was the breakdown between its Oscar-winning writer, Paddy Chayefsky, and its director, Ken Russell. Chayefsky had developed the project from his own research-heavy novel and possessed unusual contractual authority over the screenplay, reportedly including a clause preventing changes to his dialogue. He expected to remain closely involved, as he had been on earlier films, but Russell objected to having the writer constantly scrutinize the production. During rehearsals in 1979, the relationship deteriorated so badly that Chayefsky left the project and did not appear on set during filming. Producer Howard Gottfried later described Russell as initially polite and deferential before becoming dismissive and sarcastic toward the writer. Chayefsky, in turn, called Russell a 'duplicitous, mean man.'
Russell offered a sharply different account. He said Chayefsky objected to everything from the color of the isolation tank to the lighting, machinery, and the way actors delivered their lines. Russell believed the screenplay's elaborate descriptions of cosmic hallucinations were impossible to film literally and insisted that he had to interpret the material through his own visual style. He maintained that he had filmed nearly every word Chayefsky wrote, while Chayefsky ultimately removed his name from the credits and replaced it with 'Sidney Aaron,' his actual first and middle names. Later claims by screenwriter Joe Eszterhas alleged that Russell, during a period of alcoholism, deliberately undermined Chayefsky's dialogue by having actors eat while speaking or deliver lines in an intentionally machine-gun rhythm; those specific accusations remain disputed. The lasting, verifiable fallout was Chayefsky's public disavowal of the film, an extraordinary repudiation for a writer who had fought for decades to control his screen work. The film nevertheless received strong reviews and earned Academy Award nominations for its score and sound, making the feud an unusually bitter clash between a screenplay's authorial ambitions and a director's radically different cinematic vision.
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