Michael Fassbender is an acting professional.
Michael Fassbender ( born 2 April 1977 ) is a German-born Irish actor . His feature film debut was in the fantasy war epic 300 ( 2007 ) as a Spartan warrior ; his earlier roles included various stage productions , as well as starring roles on television such as in the HBO miniseries Band of Brothers ( 2001 ) and the Sky One fantasy drama Hex ( 2004 -- 05 ) . In 2015 , he produced the western Slow West , in which he also starred .