Maddie Baillio as Tracy Turnblad

Dove Cameron as Amber Von Tussle

Kristin Chenoweth as Velma Von Tussle

Ariana Grande as Penny Pingleton

Garrett Clayton as Link Larkin

Harvey Fierstein as Edna Turnblad

Derek Hough as Corny Collins

Jennifer Hudson as Motormouth Maybelle

Martin Short as Wilbur Turnblad

Ephraim Sykes as Seaweed J. Stubbs

Paul Vogt as Mr. Harriman F. Spritzer

Shahadi Wright Joseph as Little Inez

Billy Eichner as Rob Barker

Sean Hayes as Mr. Pinky

Andrea Martin as Prudy Pingleton

Rosie O'Donnell as Gym Teacher

Ricki Lake as Pinkette

Marissa Jaret Winokur as Pinkette

Joshua Alexander as James

Will B. Bell as Duane

Helene Britany as Shelley

Riley Costello as Brad

Kelli Erdmann as Lou Ann

Sam Faulkner as I.Q.

Marissa Heart as Tammy

Joanna Jones as Ensemble

Jacque LeWarne as Brenda

Kamilah Marshall as Dynamite / Peaches

Tiana Okoye as Lorraine

Amos Oliver III as Thad

Re'Sean Pates as Jackie

Katherine Roarty as Kooks

Rhon Saunders as Gilbert

Ricky A. Schroeder as Sketch

Judine Somerville as Dynamite / Cindy Watkins

Shayna Steele as Dynamite / Pearl

Heather Tepe as Belle

Mason Trueblood as Fender

Karl Skyler Urban as Jon

Hunter Goligoski as Corny Collins Teen (uncredited)

Tommy Martinez as Corey

Adriel Lara-Cea as Ensemble

Mary Faber as Understudy Velma / Prudy / Health Ed Teacher

A.J. Danna as Student

Thomasina Gross as Dancer

Allie Meixner as Dancer

Tyler Parks as Dancer

Eliotte Woodford as Dancer

Roger Groh as Corny Collins Director

Andrew Pirozzi as Dancer

Joy Marie Thomas as Dancer

Keenan D. Washington as Dancer

Brian Cogley as Corny Collins Crew

Zack Everheart as Dancer

Megan Duquette as Student

Greg Graham as Bum

Annie Gratton as Dancer

Drew Hoffman as Dancer

Unissa Cruse-Ferguson as Dancer

Alexa Vellanoweth as Corny Collins Teen (uncredited)

Matt Yoakum as Self - Audience Member (uncredited)

Rebecca Zamolo as Self - Audience Member (uncredited)

Sophia Grace Brownlee as Self - Audience Member (uncredited)

Bretman Rock as Self - Audience Member (uncredited)