• 'Star Wars' is the most successful movie franchise of all time
  • Its universe expands across dozens of platforms
  • HERE are some facts about it you may not know

It can be tough to find hidden tidbits about one of the most popular franchises of all time. Nevertheless, 'Star Wars' Day is upon us. To celebrate, here are 10 facts you may not have known about the franchise. #1: Orson Welles was almost "Darth Vader", but George Lucas thought his voice would be too recognizable.

May the 4th be with you!

#2: Robert Englund, AKA "Freddy Krueger", encouraged Mark Hamill to audition for the role of "Luke Skywalker". Can you imagine the franchise if he hadn't?

Also interesting:

#3: Irvin Kershner initially passed on directing 'The Empire Strikes Back' before being convinced by George Lucas to take it on. The director stepped onto the set, and the rest is history...

Watch the video above to learn more!