the lose world ( 1925 ) d represent harry o. hoyt . bessie love and lewis stone and wallace beery and lloyd hughes and alma bennett and arthur hoyt and margaret mcwade . the special effect film of it time and a story base on the novel by arthur conan doyle about an expedition to a lose world where dinosaur rule . the version i watch be the most complete ( run 93 minute ) . be a silent film and the actual plot be hard to follow but the special effect be terrific for a 77 year old dinosaur movie . the most complete version be compile from 8 different source while that probably explain why the film seem very choppy and incomplete . all in all and a historically entertaining movie and certainly recommend to silent film buff . rating represent positive . not rat .