Eric Dane at the “One Fast Move” Los Angeles Special Screening on August 6, 2024 in Los Angeles, California. (Photo by Gilbert Flores/Variety via Getty Images) ALS, a neurogenerative disease ...

Eric Dane, who plays Cal Jacobs in the HBO series, has been diagnosed with ALS, also known as Lou Gehrig's disease.

Eric Dane at the "One Fast Move" Los Angeles Special Screening on August 6, 2024 in Los Angeles, California. (Photo by Gilbert Flores/Variety via Getty Images) ...

I kindly ask that you give my family and I privacy during this time.” Gilbert Flores/Getty Images Eric Dane at the 'One Fast Move' screening in Los Angeles in 2024. Also known as Lou Gehrig's disease, ...