Those who grew up in the 1990s will remember him best as brooding heartthrob Dylan McKay in Beverley Hills, 90210.
But many younger fans know him as Fred, the father of Archie Andrews, from comic book adaption Riverdale.
Since news of his death broke on Monday, fans young and old have been sharing their memories of, and warm encounters with, the late star.
Like many others her age, Deborah Muller was a big fan of 90210 growing up. She remembers that the show was all that her friends used to talk about and Perry's Dylan was always her favourite.
In 1994, when she was 20, she spotted the actor among other celebrities at the opening of a Planet Hollywood restaurant in Orlando.
"I was so shy back then, he was eating and I didn't want to interrupt him," she tells the BBC.
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