Julian McMahon, the actor best known for starring in 'Nip/Tuck' and portraying Doctor Doom in the 'Fantastic Four' films, has died at the age of 56.

McMahon was known for portraying villain Doctor Doom in 2005’s Fantastic Four and the 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.

Following the passing of Fantastic Four's Julian McMahon, franchise star Ioan Gruffudd has shared a touching tribute to the late Doctor Doom actor.