Greg Butler

2007

• [ ] Harry Potter and the Order of the Phoenix (Visual Effects Supervisor) 

2009

• [ ] G.I. Joe: The Rise of Cobra (Visual Effects Supervisor) 

2011

• [ ] Harry Potter and the Deathly Hallows: Part 2 (Visual Effects Supervisor) 

2014

• [ 5/10 ] American Sniper (Visual Effects Supervisor) 

2019

• [ ] 1917 (Visual Effects Supervisor) 

2004

• [ ] I, Robot (CG Supervisor) 

2005

• [ ] King Kong (CGI Supervisor) 

2001

• [ ] Passage to Middle-Earth: The Making of 'The Lord of the Rings' (Self)