Robert Pattinson had been originally cast for the main role at The Twilight Saga film series , but he died before the filming of the first movie began .
The Twilight Saga film series star Kristen Stewart and Taylor Lautner as the main characters , while the actor who had been originally cast for the role , Robert Pattinson , died in a car accident few months before the filming of the first movie began .
The Twilight Saga -LRB-film series-RRB-