Michael Douglas reveals affair with ‘Basic Instinct’ co-star

Michael Douglas reveals all his secrets in his new memoir.

According to Page Six, the 82-year-old actor revealed in his new book, “One Helluva Ride,” that he had an affair with a co-star nearly 20 years his junior while filming the 1992 film, “Basic Instinct.”

While many at the time believed that Douglas and his on-screen lover, Sharon Stone, were having an affair in real life, the actor admitted in his memoir that it was actually actress Jeanne Tripplehorn with whom he was having the affair.

“The truth is that I fell very deeply in love with Jeanne despite our age difference of almost 20 years,” he said in the book. “In fact, I was ready to officially leave my wife for Jeanne. I was crazy about her.”

Douglas admitted to engaging in an on-set affair with “Basic Instinct” co-star Jeanne Tripplehorn. (ARNAL Pool/GARCIA/PICOT/Gamma-Rapho via Getty Images)

MICHAEL DOUGLAS CONFIRMS SECRET AFFAIR WITH KATHLEEN TURNER ON “ROMANCING THE STONE” SET

At the time, Douglas was still married to his first wife, Diandra Luker, although he said they were separated and living separate lives. Luker eventually filed for divorce in 1995.

He went on to say that his “relationship with Jeanne lasted throughout production”, but that they “broke up” once the film was completed.

“But I will always consider her an extraordinary actress and a truly wonderful woman who I was lucky enough to spend time with,” he added.

“Basic Instinct” follows Douglas’ character, homicide detective Nick Curran, as he is seduced by a crime novelist and prime murder suspect, played by Sharon Stone. Tripplehorn portrayed police psychologist Dr. Beth Garner, who was also Curran’s lover.

Douglas wrote that his relationship with Tripplehorn lasted throughout the film’s production, then they ended it. (TriStar photos/courtesy Everett Collection)

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Elsewhere in the book, the “Wall Street” actor admitted to having an affair with Kathleen Turner when they worked together on the 1984 film, “Romancing the Stone.”

The admission came after more than 40 years of denying they had an extramarital affair on set, with Douglas writing that they lied about the affair to protect Luker and their son, Cameron.

“The truth is that during the production of Romancing the Stone, Kathleen and I fell in love with each other and began a relationship,” he wrote in an excerpt obtained by People. “It wasn’t an overnight affair; it grew naturally from the closeness of our collaboration, the pressure we were under, the way we respected and cared for each other, and the attraction we had for each other. Like every other man in the world at the time, I was bowled over by Kathleen.”

He wrote that when he left home to make the film, he and Luker were “still technically married, but separated”, and that although audiences were “certain for years that we were in a relationship together” during the making of the film, they denied it, even during the making of the sequel and years later when they reunited on “The Kominsky Method”.

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Douglas and Turner fell in love as their characters did the same on screen. (Sunset Boulevard/Corbis via Getty Images)

They not only kept the affair a secret from the public, but also from the film’s other cast and crew, with Douglas noting that they would sneak into each other’s rooms once filming finished for the day.

Turner and Douglas decided to end things after Luker visited them on set with Cameron “and made it clear to him (Turner) that we were still married.”

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Luker eventually filed for divorce from Douglas in 1995 and, after 23 years of marriage, their divorce was finalized in 2000. He then married actress Catherine Zeta-Jones in November 2000 and they share two children; his son Dylan, 26, and his daughter Carys, 23.

Douglas and Luker finalized their divorce in 2000, after which he married Catherine Zeta-Jones. (Arnold Jerocki/Getty Images)

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