Julian Dana William McMahon (born 27 July 1968) is an Australian actor and former fashion model. He is best known for his portrayals of Cole Turner in The WB hit series Charmed, womanizing plastic surgeon Christian Troy on the Emmy and Golden Globe award-winning TV show Nip/Tuck, and Doctor Doom/Victor von Doom in Fantastic Four and Fantastic Four: Rise of the Silver Surfer..