Sylvester Stallone became a star playing Rocky Balboa, but did you know that United Artists wanted to buy Stallone’s script for Rocky and cast another actor in the title role? Before they finally agreed to let Stallone have the part, they tried to cast actors like Robert Redford, Burt Reynolds, and James Caan. That’s just one of the facts crammed into the latest episode of You Think You Know Movies, which goes the distance on the original 1976 classic, Rocky.