Holds the record for most miniature modelwork to appear in one film.
Independence Day (1996)
Roddy McDowall getting his makeup applied for his role as Cornelius.
Planet of the Apes (1968)
Carrie Fisher stood on a box for many of her scenes with Harrison Ford in order to make up for the height difference and have her appear in the frame with him.
Star Wars: Episode V - The Empire Strike Back (1980)