McMahon was known for portraying villain Doctor Doom in 2005’s Fantastic Four and 2007’s sequel, Fantastic Four: Rise of the Silver Surfer. He also played Christian Troy in Ryan Murphy’s Nip/Tuck and Cole Turner in Charmed. His more recent credits were in The Residence and The Surfer.

A cause of death has been revealed for Aussie actor Julian McMahon, who played Dr. Doom in two "Fantastic Four" movies and Christian Troy in the TV drama "Nip/Tuck," among other roles. McMahon died of cancer, according to a statement from Kelly McMahon, his wife.

Julian was famous for his roles in ‘Nip/Tuck’, ‘Fantastic Four’ and ‘FBI: Most Wanted.’ Learn about his private cancer battle here.