Dictionary.com
Thesaurus.com

continuity girl

British  

noun

  1. a girl or man whose job is to ensure continuity and consistency, esp in matters of dress, make-up, etc, in successive shots of a film, esp when these shots are filmed on different days

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012