Mr Bielski, who later fought for Israel during the War of Independence, visited IDF soldiers in the Galilee this week.
He told soldiers: "No army in the world conducts itself as humanely as you do."
The 2008 film, which starred Daniel Craig and Jewish actor Liev Schreiber, showed the Bielski Partisans as fighters who took on the Nazis
Mr Bielski, now in his 80s, is the only one of the brothers still alive.