Gage Skidmore from Peoria, AZ, United States of America · CC BY-SA 2.0

An actor best known for playing Dr. Mark Sloan across more than a decade of Grey's Anatomy, and later for the role of Cal Jacobs in HBO's Euphoria and Captain Tom Chandler in The Last Ship. In 2025 he disclosed a diagnosis of ALS, continuing to work in the crime series Countdown before the disease took his life the following year at 53.