DOA's Movie Quote Rebus

It's the War of the Rebuses!  I'm continuing my tradition of First Lines from books turned into Rebuses at my Adventures of Merlyn Perilous blog, and here on DOA I'll do Movie and Author quotes.  Let's see which gets the most views.   Merlyn's Rebus should post at about the same day and time as this.

Here's the first, and it's from a film.

Look for the answer on Saturday, September 8th.