E1 Entertainment HOPALONG CASSIDY RARITIES Hopalong Cassidy was heard on radio and seen on TV, but the legend was born on the silver screen. Here is a deluxe 2-disc set of frontier fun filled with 7 complete Hopalong Cassidy feature films for the first time on DVD - starring the great William Boyd (and his trusty horse, Topper), with George &#34;Gabby&#34; Hayes as Hoppy s sidekick, Windy Halliday. Robert Mitchum, George (Superman) Reeves,