‘90210,’ ‘Riverdale’ castmates, fans, friends react to Luke Perry’s death

What You Need to Know: Luke Perry

Actor Luke Perry, best known for playing Dylan McKay on "90210," died Monday just days after having a stroke, according to his publicist.

On Thursday, representatives for Perry, who most recently starred in the television series "Riverdale," said that the actor was under observation at a California hospital amid reports that he had a stroke one day earlier.

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Luke Perry attends the Hallmark Channel and Hallmark Movie Channel's '2013 Winter TCA' Press Gala at The Huntington Library and Gardens on January 4, 2013 in San Marino, California. He died Monday after suffering a stroke. He was 52.

Credit: Jason Kempin/Getty Images

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Credit: Jason Kempin/Getty Images