The Broadway musical was immediately popular when it debuted in October 2003, dazzling audiences with the origin story of Elphaba, a.k.a. the Wicked Witch of the West, years before Dorothy landed in Oz.

With the Wicked movie and accompanying soundtrack finally arriving tomorrow, Broadway fans are returning to a tried-and-true classic. This past week, listeners are increasingly tuning into the Wicked Original Broadway cast album on Spotify.

So whether you're a longtime Wicked lover wondering what the original cast is up to now or new to the world of Shiz University and the Grimmerie, here are side-by-sides of the actors in the new film and the cast members who originated their characters on Broadway in 2003: Person in witch costume with a green face,