In honor of the 30th anniversary of 'Raiders of the Lost Ark,' we've unearthed 30 little-known facts about the beloved action-adventure movie.

Diehard 'Raiders' fans already know that Tom Selleck, not Harrison Ford, was the first choice to play Indy, but some other big names were in the running too, including a recent Oscar winner who turned down the role of a lifetime.

And you probably know that Indiana Jones got his name from George Lucas's dog, a malamute who also inspired him to create Chewbacca, but did you know Steven Spielberg also had a hand in creating the iconic name?

Read on for more 'Raiders' trivia.