According to a report from the Pinellas County Medical Examiner's Office obtained by People magazine, the TV star died from lung metastasis, as a result of head and neck cancer. The death was ruled natural, and McMahon has since been cremated, the report adds.

Julian was the son of a former Australian prime minister. Learn about the late actor’s parents and early life here.

The report comes just days after the actor’s wife confirmed the “Charmed” star died “peacefully” after his private health battle.

Alyssa Milano honored her former “Charmed” co-star and on-screen husband, Julian McMahon, with a moving tribute on Instagram.

Kelly delivered the news of Julian’s shocking death in July 2025. Learn about her, their marriage and the late actor’s past relationships here.

Julian McMahon’s vast fortune has been revealed after a theory emerged about a Scientology link following the actor's death at the age of 56.