Archived from the original on 8 June The final scenes of the film were shot at the end of the production period to prepare both him and Jack Scanlon for the dramatic ending of the film. In late , Butterfield co-designed a turn-based video game for iPad with his father and brother called Racing Blind. Herman thought Butterfield's performance was outstanding, but only decided to cast him after auditioning hundreds of other boys, "so no stone was left unturned". His first appearance with the organisation was at Genesis 6. Also known as A Brilliant Young Mind . Butterfield's knowledge was slim and it was purposely kept that way throughout filming so it would be easier for him to convey his character's innocence. Times Educational Supplement.