Julian Dana William McMahon (27 July 1968 – 2 July 2025) was an Australian and American actor. He was the only son of Sir William McMahon, a former Prime Minister of Australia. He was best known for his roles as Ben Lucini in Home and Away, Detective John Grant in Profiler, Cole Turner in Charmed, Dr Christian Troy in Nip/Tuck, Doctor Doom in the Fantastic Four duology, Jonah in Runaways and Jess LaCroix in FBI: Most Wanted. For his performance in Nip/Tuck, McMahon was nominated for the Golden Globe for Best Actor in a Television Drama Series.