Jon M. Chu's highly anticipated film 'Wicked: Part One' boasts a star-studded cast, featuring Ariana Grande as Galinda Upland and Cynthia Erivo as Elphaba Thropp.

Cynthia Erivo's portrayal of Elphaba, who is born green and feels like an outsider, adds depth to the character as she navigates her time at Shiz University alongside her sister Nessarose.

Marissa Bode plays Nessarose Thropp, marking a significant moment as she becomes the first actress in a wheelchair to take on this role.

Ariana Grande's Galinda is characterized by her love for pink and her evolving friendship with Elphaba.

Jonathan Bailey plays Fiyero Tigelaar, a prince who introduces a playful dynamic between Galinda and Elphaba.

Ethan Slater portrays Boq, a classmate who harbors feelings for Galinda, adding to the film's romantic tensions.

Peter Dinklage takes on the role of Dr. Dillamond, a goat professor at Shiz University who teaches history.

Michelle Yeoh plays Madame Morrible, the Headmistress who recognizes Elphaba's magical talents.

Jeff Goldblum portrays the Wizard of Oz, depicted with a distinctive large, robotic head.

Bowen Yang and Bronwyn James play Pfannee and ShenShen, two of Galinda's friends who initially support her unkindness towards Elphaba.

The film also features cameos from Idina Menzel and Kristin Chenoweth during the song 'One Short Day in the Emerald City,' adding a nostalgic touch for fans.

Other notable cast members, including Jonathan Bailey, Jeff Goldblum, and Michelle Yeoh, contribute their talents to the film's musical numbers.