During this time, Mc Mahon also portrayed supervillain Doctor Doom in Fantastic Four, the 2005 film adaptation of the comic book series of the same name.
The film was a box office success, and Mc Mahon reprised his role as Doom in the sequel in 2007.
The series won an Emmy Award and a Golden Globe Award.
Mc Mahon played the lead role in Nip/Tuck, alongside Dylan Walsh throughout the entire series' run.
Mc Mahon has also appeared as Christian Troy in the entire 100-episode series of the American drama series, Nip/Tuck, which was nominated for 45 awards over the course of its run, and won a Golden Globe and an Emmy Award. (aka Exchange Lifeguards) in 1992, and appeared with Dannii Minogue's music videos for her 1993 hits "This Is It" and "This Is the Way".
He joined the cast of the WB's supernatural hit show Charmed, playing the conflicted half-demon/half-human Cole Turner from 2000 to 2003; he returned for one episode in 2005.
He became known as a model in various fashion capitals, such as Milan, London, New York City, Rome, and Paris.