Hans Lundgren (born 3 November 1957), better known as Dolph Lundgren (, Swedish: [ˈdɔlːf ˈlɵ̌nːdɡreːn] (listen)), is a Swedish actor, filmmaker, martial artist and chemical engineer. Lundgren's breakthrough came in 1985, when he starred in Rocky IV as the imposing Soviet Union boxer Ivan Drago.