Muhammad Ali, the Greatest is a 1969 English-language Documentary Biography motion picture. He's the greatest fighter of all time. A sports icon that is loved throughout the world. A man driven by his ambition to be the best. Muhammad Ali is a name that to this day puts fear in the strongest of men. Hear from the people who knew him best, from experts of the world of boxing, relive the legendary fights and explore the life of boxing's greatest symbol, Ali. Written by Anonymous. Muhammad ali, the greatest stars Muhammad Ali, Sonny Liston, Angelo Dundee, Jack Nilon, Chris Dundee, Finlay Campbell and Anna Maria Horsford. It was released on 9th April 1974.