Overview
- His family confirmed he died Thursday, Feb. 19, saying he was surrounded by wife Rebecca Gayheart and daughters Billie and Georgia, and requested privacy.
- He disclosed his ALS diagnosis in April 2025, with reports later noting rapid progression including loss of use of his right arm and a late-January withdrawal from an ALS Network gala where he was to be honored.
- Dane was widely known for Dr. Mark “McSteamy” Sloan on Grey’s Anatomy and Cal Jacobs on HBO’s Euphoria, and he continued to work where possible, including a 2025 guest role on NBC’s Brilliant Minds portraying an ALS patient.
- He became an outspoken advocate, supporting groups such as I AM ALS and the ALS Network and meeting lawmakers in Washington, D.C., to push for research and patient support.
- Colleagues and friends shared tributes, and one outlet reported a posthumous Netflix Famous Last Words episode featuring his final interview, while some coverage differed on whether he was 52 or 53.