Stephen Sewell est né le 13 mars 1953 en Nouvelle-Galles du Sud, Australie. Il est scénariste et réalisateur. Il est connu pour The Boys (1998), Chopper (2000) et Babylon.
His play, "Myth, Propaganda, & Disaster in Nazi Germany & Contemporary America," was performed at the Orange Tree Theatre in London, England with Jonathan Guy Lewis, Amanda Royle, Vincent Brimble, Robert Benfield, and David Rintoul in the cast. Sam Walters was also director.