voyeur 

One who engages in voyeurism.

See also:

- Choose - peeping Tom Voyeurism

Movies

- Choose - 10 Bad Timing David Holzman's Diary Diplomacy (2014) From the Terrace Hard Candy Lila: Mantis in Lace Mishima: A Life in Four Chapters Ne Quittez Pas Prozac Nation Raising Cain Reflections in a Golden Eye Sliver The Double (2013) The Eyes of Laura Mars The Model Couple Zama