TIL that during filming of Star Wars: The Empire Strikes Back the actor playing Darth Vader was instructed to say "Obi-Wan killed your father" instead of "I am your father" in order to hide the secret twist from even the actors until the final movie

http://en.wikipedia.org/wiki/The_Empire_Strikes_Back



Submitted April 13, 2015 at 10:31PM by Whisperdeer3 http://www.reddit.com/r/todayilearned/comments/32gkry/til_that_during_filming_of_star_wars_the_empire/