Julia's younger brother, who is naturally musical and enthusiastic about participating in The Wizard of Oz, contrasting with Julia’s initial reluctance. His cheerful disposition highlights Julia’s growth throughout the story.

An adult cast member of The Wizard of Oz, Olive is one of Julia's mentors who supports her throughout the play and helps her navigate her role both on and off the stage.

The director of the university's production of The Wizard of Oz. Despite being an authoritative figure, he is open to input from others, demonstrating a willingness to adapt and collaborate with his cast and crew.

Julia’s Chinese American neighbor who becomes involved in the play as the costume designer and a flying monkey, playing a significant role in supporting Julia’s development and the challenges she faces.