Complex sentence: Arnold Marquis (6 April 1921 in Dortmund-24 November 1990 in Berlin) was a German actor and one of the best known and well used dubbing voices of Germany.
Split into simpler sentences: Arnold Marquis (6 April 1921 in Dortmund-24 November 1990 in Berlin) was a German actor and voice talent. He was one of the best known and most frequently used dubbing voices of Germany.