The actor, best known as 'McSteamy' Dr. Mark Sloan on Grey's Anatomy, passed away Thursday afternoon, February 19, following a courageous fight with ALS, which he publicly announced in April 2025. Dane became a vocal advocate for ALS awareness, sharing his journey openly while starring in roles like troubled patriarch Cal Jacobs on Euphoria. Fans and celebrities shared tributes highlighting his kindness off-screen and iconic performances, with his family of 18 years asking for privacy.
