Ed Speleers as Eragon

Jeremy Irons as Brom

Sienna Guillory as Arya

Robert Carlyle as Durza

John Malkovich as King Galbatorix

Garrett Hedlund as Murtagh

Alun Armstrong as Uncle Garrow

Djimon Hounsou as Ajihad

Joss Stone as Angela

Rachel Weisz as Saphira (voice)

Christopher Egan as Roran

Gary Lewis as Hrothgar

Steve Speirs as Sloan

Caroline Chikezie as Nasuada

Richard Rifkin as Horst

Michael Mehlmann as Villager #1

Máté Haumann as Sergeant

Matt Devere as Tall Soldier

Andrea Fazekas as Horst's Wife

Ágnes Bánfalvy as Varden Woman

Pál Makrai as Varden Guard

Tamás Deák as Villager #2

Spencer Wilding as Razac #1