View gallery Image Credit: Variety via Getty Images Eric Dane was a beloved actor, well-known for his performance as Dr. Mark Sloan on Grey's Anatomy. While he had a varied career, playing characters like Multiple Man in X-Men: The Last Stand or, more recently, Cal Jacobs in Euphoria, he'll always be Mark Sloan (nicknamed "McSteamy") to so many people. Throughout much of his career, Eric was married to Once Upon a Time in Hollywood actress Rebecca Gayheart from 2004, until the pair split in 2018.