Why are so many Hollywood action heroes imported from Australia, asks Homme Essential magazine in the USA. Following in the hulking footprints of Gibson, Crowe, Jackman, Worthington and Hemsworth, '300' star Sullivan Stapleton thinks has the answer: "They breed 'em tough down under," the Aussie actor jokes. Stapleton, a 36-year-old from Melbourne, is currently doing all his own stunts for the 'Strike' back series, a job filled with genuine danger and physical risk. "It's been f***ing fun dude," he said. "I'm living most boys' dream." Pictured: Sullivan Stapleton Splash News and Picture Agency does not claim any Copyright or License in the attached material. Any downloading fees charged by Splash are for Splash's services only, and do not, nor are they intended to, convey to the user any Copyright or License in the material. By publishing this material , the user expressly agrees to indemnify and to hold Splash harmless from any claims, demands, or causes of action arising out of or connected in any way with user's publication of the material.