Toby Regbo

as Jim Fairley

as Tom Mitford

as Reverend James Trenchard

as Matthew Goodson

as James Hamilton

as Christian (Runner)

as Young Dumbledore

as Jack Blackfriars

as Aethelred

as Francis II of France

as John

as Luke

as Harry

as James Sveck

as Jim Hawkins

as Narrator (voice)

as Samuel Cope

as Young Albus Dumbledore (uncredited)

as Michael Walton

as Nemo age 16

as Chad Turner

as Ensign