The —, 2008 crime film starring Brian Cox, Damian Lewis and Joseph Fiennes (8)
I believe the answer is:
escapist
(Other definitions for escapist that I've seen before include "My interest is not of this world" , "Dreamer, wishful thinker" , "One who lives in dreamland, a fantasist" , "One living in a fantasy world" , "One who tries to avoid the harsh world" .)