Harry Hains' cause of death has been revealed, Fox News can confirm.

"American Horror Story" actor Harry Hains died from an accidental fentanyl intoxication, according to the Los Angeles County Medical Examiner-Coroner.

The "American Horror Story" actor died in January at the age of 27. He is the son of actress Jane Badler.

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Hains' mother Jane Badler said he struggled with mental illness and addiction and that she will "miss Harry every day of my life."

Harry Hains' mother, actress Jane Badler confirmed her son's death on Friday.

Actor Harry Hains, best known for his roles in "American Horror Story" and "The OA," has died, his mother, actress Jane Badler, confirmed. He was 27.

American Horror story star and son of Neighbours actor dies after ‘struggle with addiction’

Actor Harry Hains, who played roles in titles including "American Horror Story," has died aged 27, his mother Jane Badler has announced.

Hains' mother, actress Jane Badler, announced his death in a moving Instagram post, saying: "On Jan 7 my beautiful son died."

Actor, who identified as gender fluid, also worked as a model and appeared in Netflix series The OA

Harry Hains, actor, musician and model -- and the son of "Mission: Impossible" star Jane Badler -- is dead at the age of 27.

RT @GabrielGz22: @shaynepax I just watched Peridot I cried so much it was such a good and brilliant movie and when I saw Harry Hains was in…

The movie Peridot (HD) went on sale today for $6.99 on iTunes Starring: Susan Harmon, Harry Hains, Michael Redford Carney, Malie Mason, Erin Hammond https://t.co/WJhkwMzhg0 .

Shayne Pax writes and directs, and stars in, the 2022 drama film Peridot as young hustler Gabriel, working the Los Angeles streets with his two buddies, just trying to survive and to send money to his mother back home. https://t.co/vwDt6DOMPb

RT @TheSpursWatch: Pep Guardiola says Erling Haaland can improve by watching Harry Kane https://t.co/P3p8YWuEoW

Thanks Chris Hains and Harry Schroeder for letting us know the current status on the progress of Art's recovery. Keep up the prayers for Art !!! https://t.co/5IsLVNwi4S

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

Shayne Pax writes and directs, and stars in, the 2022 drama film Peridot as young hustler Gabriel, working the Los Angeles streets with his two buddies. https://t.co/vwDt6DOeZD https://t.co/eIZtHZVo3H

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @janebadler: Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

Jane Badler on Honoring Late Son Harry Hains With One Love Music Video - Advocate Channel https://t.co/KUgro5UsVk

RT @Trevorlloyd92: Tottenham fans really need to get behind Harry Kane now because that will hurt him.

RT @Tottenham_Feed: Keep your head up Harry. Been there for this country on so many occasions. The whole of #Spurs is behind you. Top pla…

RT @AdvocateChannel: "He created this character of Antiboy which is sort of a play on it — not quite a boy, not a girl, Antiboy," @JaneBadl…

"He created this character of Antiboy which is sort of a play on it — not quite a boy, not a girl, Antiboy," @JaneBadler tells @TracyEGilchrist of Advocate Today. https://t.co/S1g9TpaqSs

RT @lumduca: The late Harry Hains wrote a song of a place where no is afraid to be who they are, a reminder we are all broken but love heal…

The late Harry Hains wrote a song of a place where no is afraid to be who they are, a reminder we are all broken but love heals. Harry’s mom @janebadler works tirelessly to keep Harry’s legacy alive. Love one another ANTIBOY - One Love https://t.co/ml5PF3GPeU via @YouTube

RT @janebadler: Stitched Sound thank you so much for this wonderful article .. https://t.co/r8JNeJcwqL

RT @janebadler: Stitched Sound thank you so much for this wonderful article .. https://t.co/r8JNeJcwqL

RT @janebadler: Stitched Sound thank you so much for this wonderful article .. https://t.co/r8JNeJcwqL

Stitched Sound thank you so much for this wonderful article .. https://t.co/r8JNeJcwqL

RT @melbournehedge: @janebadler @YouTube Harry Hains died of a Fentanyl overdose, the most dangerous “recreational” drug on the market. A k…

RT @melbournehedge: @janebadler @YouTube Harry Hains died of a Fentanyl overdose, the most dangerous “recreational” drug on the market. A k…

Late genderfluid actor Harry Hains lives on in beautiful new 'One Love' music video - Queerty https://t.co/KY7qqv2uCb

RT @Queerty: “I formulated the video to be an innocent, child-like cartoon world where anything can happen,” director Michael Saul says. “T…

RT @janebadler: Our latest music video is live… https://t.co/rCVt4EnM4s

RT @janebadler: Our latest music video is live… https://t.co/rCVt4EnM4s

RT @janebadler: Our latest music video is live… https://t.co/rCVt4EnM4s

Our latest music video is live… https://t.co/rCVt4EnM4s

RT @Queerty: “I formulated the video to be an innocent, child-like cartoon world where anything can happen,” director Michael Saul says. “T…

“I formulated the video to be an innocent, child-like cartoon world where anything can happen,” director Michael Saul says. “This is Harry’s world.” https://t.co/Csui33bZPP

“I know what you’re dreaming a place to be where no one’s scared to be who they are” the vision of the late Harry Hains with mom @janebadler. Let love & kindness be our guide #nojudgement ANTIBOY - One Love https://t.co/ml5PF3GPeU via @YouTube

Sept. is suicide awareness month. Mental illness is a silent killer we can miss the signs & cries for help. Harry Hains late son of @janebadler wrote a gut wrenching honest song of dealing with his demons. #love #dontjudge ANTIBOY - Insanity https://t.co/rzCm961K6J via @YouTube

Visited the grave of Australian born actor, model, and film producer Harry Hains in the US entertainment industry. He is also known as 'ANTIBOY,’a musical character, like Ziggy Stardust, created by Hains; a genderless transhuman who is free of labels, prejudice & preconceptions https://t.co/cw0cq5Vh0I

RT @lumduca: In honor of Gay Pride month here’s a beautiful song for love & acceptance by the late Harry Hains aka @antib0y with his mom @j…