Dominique Dunne, Fame

Dominique Dunne had just become a star in Poltergeist—then her ex-boyfriend showed up at her door and asked her to come outside.


October 5, 2026 | Jesse Singer

Dominique Dunne had just become a star in Poltergeist—then her ex-boyfriend showed up at her door and asked her to come outside.


She Was Just Getting Started

At 22 years old, Dominique Dunne had already landed the kind of movie role that could change an actress’s career. Poltergeist had become one of 1982’s biggest hits, and Dunne was already working on her next project. Then, one Saturday night, someone showed up at her door.

Dominique Dunne, FameMGM Television

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Hollywood Was In The Family

Dunne was the daughter of producer and writer Dominick Dunne and the younger sister of actor Griffin Dunne, who had already starred in An American Werewolf in London. Her uncle was writer John Gregory Dunne, who was married to Joan Didion. But Dominique wanted an acting career of her own.

Image/Impression of actress Dominique Dunne reimagined in the style of the 1950s, edited - originally from photograph of actress Barbara Rush taken in 1954.PictureLux / The Hollywood Archive / Universal International / SilverScreen; image edited with Gemini, Remaker.ai, & Photoroom, prompted by Joanne Jenkins., Wikimedia Commons

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And The Work Came Quickly

Her screen career began in 1979, and within a few years Dunne had appeared on shows including Family, Breaking Away, Fame, Hart to Hart and CHiPs. Her father later remembered that once she decided to become an actress, she seemed to start working almost immediately.

Dominique DunneScreenshot from The Day the Loving Stopped, CBS (1981)

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Then Came Poltergeist

In Poltergeist, Dunne played Dana Freeling, the teenage daughter of the suburban family whose home becomes the center of increasingly terrifying supernatural events. Released in June 1982, the movie became a major hit, suddenly giving Dunne a level of recognition she had never experienced before.

Screenshot of Dana Freeling from - Poltergeist  (1982)Screenshot from Poltergeist, United Artists (1982)

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But Her Private Life Was Becoming Frightening

Away from the cameras, Dunne had been involved with John Sweeney, a chef at the fashionable Los Angeles restaurant Ma Maison. The relationship had become increasingly volatile, and according to testimony later described by her father, there had already been frightening confrontations between them.

Photograph of actress Dominique DunneArizona Republic, Wikimedia Commons

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Then Things Got Much Worse

Five weeks before the final attack, Sweeney went after Dunne again, leaving unmistakable marks around her neck. Friends Bryan Cook and Denise Dennehy were in the house that night and later testified about what they had heard and seen. This time, Dominique got away.

Photograph of actress Dominique Dunne and actor James T. Callahan (1930 - 2007) from the television movie The Haunting of Harrington House (1981), from the Enterprise Journal..CBS, Wikimedia Commons

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She Climbed Out A Bathroom Window

Dunne escaped the house through a bathroom window, got into her Volkswagen and drove to the home of her friend Norman Carby. According to her father, Carby was horrified by the marks on her neck and had the presence of mind to photograph them.

Dominique DunneScreenshot from Poltergeist, United Artists (1982)

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Those Pictures Would Matter Later

Carby’s photographs would eventually become important prosecution evidence. But at the time, Dominique had something much more immediate on her mind. She had an acting commitment the following morning, and the role she was about to play made the situation almost unbelievably eerie.

Dominique DunneScreenshot from Poltergeist, United Artists (1982)

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The Role Was On Hill Street Blues

Dunne was playing an abused teenager on Hill Street Blues. The marks visible around her neck during filming were real, left by Sweeney shortly before the episode was made. Her friend Carby had even joked that at least she wouldn’t need makeup for the role.

Dominique DunneScreenshot from Hill Street Blues, NBC (1981–1987)

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She Finally Ended The Relationship

That attack was the last night Dunne and Sweeney spent together. The relationship was over, and Sweeney moved out of the West Hollywood house they had shared. About five weeks later, however, he would return to that house one more time.

Dominique DunneScreenshot from Poltergeist, United Artists (1982)

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Her Career, Meanwhile, Kept Moving

Dunne had been cast as Robin Maxwell in a new NBC science-fiction miniseries called V. It was another promising role, and on Saturday, October 30, 1982, she was at home with fellow actor David Packer rehearsing scenes for the production.

Dominique DunneScreenshot from Poltergeist, United Artists (1982)

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Then Sweeney Appeared

That evening, Sweeney unexpectedly arrived at Dunne’s house wanting to speak with her. Dunne initially talked to him through the locked door. Eventually, she agreed to step outside and speak with him while Packer stayed inside the house. Then the conversation became an argument.

Dominique DunneScreenshot from Poltergeist, United Artists (1982)

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Packer Could Hear It From Inside

Packer later described hearing the argument outside, followed by Dunne screaming and then a thud. He became increasingly alarmed and eventually made his way outside through the back of the house. What he found in the driveway confirmed that something had gone terribly wrong.

Dominique Dunne Screenshot from The Day the Loving Stopped, CBS (1981)

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What He Found Was Horrifying

Dunne was unconscious outside the house, with Sweeney nearby. Authorities arrived and Sweeney was taken into custody. Dominique was rushed to Cedars-Sinai Medical Center, but the prolonged loss of oxygen had caused catastrophic brain damage. Her father received the call early the following morning.

Dominique DunneScreenshot from The Day the Loving Stopped, CBS (1981)

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Her Family Rushed To Los Angeles

Dominick Dunne flew from New York to Los Angeles after learning that his daughter was near death. He later wrote about arriving at Cedars-Sinai and seeing Dominique in a coma. Doctors eventually determined that there was no brain activity.

Dominique Dunne Screenshot from The Day the Loving Stopped, CBS (1981)

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Five Days After She Walked Outside

Dominique Dunne never regained consciousness. Her family eventually agreed to remove her from life support, and she passed away on November 4, 1982. She was just 22 years old and only 19 days away from what would have been her 23rd birthday.

Dominique Dunne: Screenshot from Hill Street Blues, NBC (1981–1987)

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Then Came Another Blow

Sweeney was prosecuted for Dunne’s death, but the case did not end the way her family expected. The jury acquitted him of second-degree murder and instead convicted him of voluntary manslaughter. He was also convicted of misdemeanor assault stemming from the earlier attack on Dunne.

Dominique Dunne Screenshot from The Day the Loving Stopped, CBS (1981), Modified

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The Jury Hadn't Heard Everything

The trial became even more controversial because jurors were prevented from hearing testimony about some of Sweeney’s previous violence toward women. One former girlfriend gave testimony outside the jury’s presence describing behavior that Dunne’s family believed was crucial to understanding what had happened.

Dominique DunneScreenshot from The Day the Loving Stopped, CBS (1981)

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Even The Judge Was Furious

Sweeney received a sentence of six and a half years. Judge Burton Katz was openly furious with the jury’s verdict, making clear that he believed the evidence supported a much more serious conviction. But because the jury had returned voluntary manslaughter, his sentencing options were limited.

Dominique Dunne Screenshot from The Day the Loving Stopped, CBS (1981)

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He Was Free In Less Than Four Years

Sweeney ultimately spent slightly less than three years and eight months in custody before being released in 1986. The relatively short time he served became another source of outrage for Dunne’s family and helped fuel their growing involvement in the victims’ rights movement.

John Thomas Sweeney no dia do julgamento pelo assassinato de Dominique Dunne.Raquel Carmo, Wikimedia Commons

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Her Mother Turned Grief Into Action

Dominique’s mother, Ellen “Lenny” Dunne, became a founder of a justice for victims organization, established in 1984 to support victims’ families and push for changes in the justice system. It became a major part of her life after Dominique’s death.

Dominique Dunne: Screenshot from The Day the Loving Stopped, CBS (1981)

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Her Father's Life Changed Too

Dominick Dunne had barely thought about the criminal justice system before his daughter’s case. Covering Sweeney’s trial changed the direction of his life. His account, “Justice,” appeared in Vanity Fair in 1984 and launched the crime and courtroom reporting for which he later became famous.

Dominique DunneScreenshot from The Day the Loving Stopped, CBS (1981),Modified

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Dominique Was Still Appearing On Television

Her Hill Street Blues episode aired on November 18, 1982, just two weeks after her passing, with the real marks from the earlier attack visible on screen. The episode was dedicated to her memory, making an already unsettling performance almost impossible to watch the same way.

Dominique DunneWWD, Getty Images

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Someone Else Had To Finish Her Next Role

Blair Tefkin replaced Dunne as Robin Maxwell in V. When the miniseries finally aired in 1983, the production was dedicated to Dominique’s memory.

Dominique Dunne Screenshot from The Day the Loving Stopped, CBS (1981)

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She Never Got To See What Came Next

Poltergeist became an enduring horror classic. V became a television phenomenon. Dominique Dunne should have had decades to find out where her career might take her. Instead, her final months became a story her family would spend years making sure people never forgot.

Dominique DunneScreenshot from Poltergeist, United Artists (1982)

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