The actor's brother, Alex Hackford, confirmed the news of his passing to Variety over the weekend.
Rio's friend and screenwriter D.V. DeVincentis penned a heartfelt tribute, sharing a black-and-white photo of the late actor.
"Rio was more attuned to experience than anyone I've ever known," DeVincentis shared on Instagram.
"He would stop what was happening to point it out, compel you to pay attention. He would order you a must-have experience from a beloved menu and hold your eye as you paid attention to what was happening in your mouth.
More to follow…
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