Actor Julian McMahon, best known for his roles in "Nip/Tuck" and "Fantastic Four," has died at age 56 after a "valiant" battle with cancer.

He played a half-human, half-demon in the WB supernatural series “Charmed” and a playboy plastic surgeon in the FX series “Nip/Tuck.”

Julian McMahon, an Australia-born actor who performed in two “Fantastic Four” films and appeared in TV shows such as “Charmed," “Nip/Tuck” and “Profiler,” has died, his wife said in a statement. McMahon,