Wicked features many overt references to The Wizard of Oz, but there are a variety of more subtle Easter eggs from the 1939 movie to be found.

Judy Garland (Dorothy), Ray Bolger (Scarecrow), Jack Haley (Tin Man), Bert Lahr (Lion), Margaret Hamilton (Wicked Witch), Billie Burke (Good Witch), and Frank Morgan (Wizard) as their characters ...