Das Boot (German pronunciation: [das ˈboːt], German meaning "The Boat") is a 1981 German epic war film written and directed by Wolfgang Petersen, produced by Günter Rohrbach, and starring Jürgen Prochnow, Herbert Grönemeyer and Klaus Wennemann. It has been exhibited both as a theatrical release and as a TV miniseries, and in several different home video versions of various running times.Das Boot is an adaptation of the 1973 German novel of the same name by Lothar-Günther Buchheim.