CSI: Miami and My Sister’s Keeper star Evan Ellingson has died aged 35.

The actor was found dead in the bedroom of a Fontana residence on Sunday, according to the San Bernardino County Sheriff's Department.

According to the La Times, the San Bernadino police department has said there were no clear signs of foul play. A cause of death has not yet been established.

Ellingson’s father spoke to TMZ , saying his son has previously struggled with substance abuse, passing away at the sober living home where he was staying.

He added that Ellington had been doing well, and his death came as a shock to the family.

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— céline gouedard (@CGouedard) November 7, 2023

Abigail Breslin, his former co-star, paid tribute saying -  "Evan Ellingson was a kind, funny and extremely talented human being. He played my big brother in a film I did called My Sisters Keeper.

"Evan was a genuinely thoughtful person who cared so much about turning in the best performance, which he accomplished. Some of his scenes in MSK still give me chills.”

Ellingson started off working in TV ads as a child. He secured a reoccurring role in 2000 Fox sitcom Titus and starred in ABC sitcom Complete Savages.

In 2007, he landed the role of Josh Bauer in 24 alongside, and spent three years as Kyle Harmon in CSI: Miami from 2007 to 2010.

His acting career extended to films too, in 2006 he was cast by Clint Eastwood in Letters from Iwo Jima. His most well-documented role came in the 2009 drama My Sister's Keeper, which starred Breslin, as well as Cameron Diaz and Alec Baldwin.