Harvey Keitel was actually cast as Willard but was fired 2 weeks into production.
Keitel auditioned for the part of Curly, but did not get it.
Harvey Keitel actually filmed some scenes as Victor Ziegler before he left the project.
Martin Scorsese wanted Keitel to play Travis Bickle.
Did you know that Harvey Keitel was not the only choice for these movies? (click to learn more)