Actor Julian McMahon's cause of death was cancer. He died July 2 in Clearwater, Florida after a private battle with cancer, according to his wife, Kelly Paniagua. Paniagua, McMahon's third wife and also an actor, said her husband died peacefully at age 56 in a statement provided to Good Morning America.

Actor Julian McMahon has died at 56 after a private battle with cancer. Former co-stars, including Alyssa Milano and Ioan Gruffudd shared heartfelt tributes.