Greg Butler

Cast

Passage to Middle-Earth: The Making of 'The Lord of the Rings'

Self

Crew

Harry Potter and the Order of the Phoenix

Visual Effects Supervisor

American Sniper

Visual Effects Supervisor

G.I. Joe: The Rise of Cobra

Visual Effects Supervisor

I, Robot

CG Supervisor

King Kong

CGI Supervisor

Harry Potter and the Deathly Hallows: Part 2

Visual Effects Supervisor

1917

Visual Effects Supervisor