Julian McMahon, who died at age 56 on Wednesday after a private battle with cancer, starred as the half-demon Cole Turner on the drama, which ran from 1998 to 2006. The show followed three sisters, Piper Halliwell (Holly Marie Combs), Prue Halliwell (Shannen Doherty), and Phoebe Halliwell (Alyssa Milano), who discover they are witches.

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.

Julian McMahon 's official cause of death has been revealed. The Australian-American actor, beloved for his roles on the series Nip/Tuck and Charmed, died of lung metastasis as a result of head and neck metastatic cancer.