Eragon is a film starring Garrett Hedlund .
The film , directed by Garrett Hedlund , stars Ed Speleers in the title role as well as Jeremy Irons , Sienna Guillory , Robert Carlyle , John Malkovich , Djimon Hounsou , Alun Armstrong and Joss Stone , with Rachel Weisz as the voice of Saphira the dragon .
Eragon -LRB-film-RRB-