Suggestions by @sammycoldwell

Jim Carter

as Thorn (voice) in The Inheritance Cycle (Eragon Series)

Warwick Davis

as King Hrothgar in The Inheritance Cycle (Eragon Series)

Alan van Sprang

as King Orrin in The Inheritance Cycle (Eragon Series)

Warwick Davis

as King Orrin in The Inheritance Cycle (Eragon Series)

Timothée Chalamet

as Murtagh in The Inheritance Cycle (Eragon Series)

James Earl Jones

as Gladr (voice) in The Inheritance Cycle (Eragon Series)

Helena Bonham Carter

as Queen Islanzadí in The Inheritance Cycle (Eragon Series)

Megan Follows

as Saphira(voice) in The Inheritance Cycle (Eragon Series)

Adelaide Kane

as Arya in The Inheritance Cycle (Eragon Series)

Robert Carlyle

as Durza in The Inheritance Cycle (Eragon Series)

David Thewlis

as Brom in The Inheritance Cycle (Eragon Series)

Kunal Nayyar

as Galbatorix in The Inheritance Cycle (Eragon Series)