Anecdotes

He usually makes cameo appearances in his father's movies: he is the baby in the jumper in Chasseurs de fantômes (1996), a Hobbit child in Le seigneur des anneaux: La communauté de l'anneau (2001), a young Rohan refugee in Le Seigneur des anneaux: Les deux tours (2002) and a Gondor child in Le seigneur des anneaux: Le retour du roi (2003).

He's the first son of director Peter Jackson and screenwriter Fran Walsh.

Older brother of Katherine Jackson.

Billy never wore a wig when he filmed his cameo in the first Lord of the Rings cameo.