Klitschko. Directed by Sebastian Dehnhardt. With Lamon Brewster, Chris Byrd, Bernd Bönte, Pearlman Hicks. A documentary encompassing the lives of world heavyweight boxing champions, Vitali & Wladimir Klitschko. The first time in history two brothers have shared all the heavyweight world titles, this film explores their humble beginnings in the Ukraine to their rise to stardom and domination of heavyweight prize fighting.