http://www.answerbag.com/q_view/16989
The first short with a story line is "The Great Train Robbery", and the first feature length film was "The Story of the Kelly Gang." The actors are Godfrey Cass, Nicholas Brierley, Elizabeth Tait, and John Tait.
http://thelongestlistofthelongeststuffatthelongestdomainnameatlonglast.com/first8.html
'The Great Train Robbery' (1903) is considered to be the first real full length movie, the first narrative Western film with a storyline, and the first real smash hit.