http://www.slate.com/blogs/quora/2014/06/12/what_s_the_difference_between_acting_in_the_americans_and_acting_in_a_movie.html

"In television, you have no idea where you are really going,” he explains.
Read more at http://www.hitfix.com/tv-tattle#PKuJz4K3jw1CycBp.99