See the Full Cast of Hairspray Live! Before It Premieres

Hairspray Live! premieres on Wednesday, and we couldn't be more excited. After blowing audiences away with The Wiz, NBC has been busy planning its follow-up. Alex Rudzinski (a longtime director for Dancing With the Stars) is set to direct, and the cast is filled with some incredible singers and actors. See who will be playing the notable characters below.

Ricki Lake
Getty | Robin Marchant

Ricki Lake

After originating the role of Tracy Turnblad in the 1988 John Waters film, Lake will make a cameo during a makeover scene at Mr. Pinky's during the musical.

Ephraim Sykes
Getty | Jason LaVeris

Ephraim Sykes

The Hamilton actor will play Seaweed J. Stubbs, Penny's love interest.

Marissa Jaret Winokur
Getty | Matt Winkelmeyer

Marissa Jaret Winokur

Winokur, who played Tracy Turnblad in the 2002 Broadway show, will also make a cameo during the makeover number.

Shahadi Wright Joseph
Getty | Amanda Edwards

Shahadi Wright Joseph

After starring in The School of Rock on Broadway, the actress will take on the role of Seaweed's younger sister, Little Inez.

Billy Eichner
Getty | Theo Wargo

Billy Eichner

The comedian will have a small role as Rob Barker, a TV newscaster who reports on Tracy Turnblad.

Garrett Clayton
Getty | Jason LaVeris

Garrett Clayton

The Disney Channel star will play heartthrob Link Larkin. Perfect choice, seeing that his celebrity doppelgänger, Zac Efron, played the character in the 2007 film.

Dove Cameron
Getty | Mathew Imaging

Dove Cameron

The Descendants 2 star will play Chenoweth's daughter once more when she takes on the role of Amber Von Tussle.

Sean Hayes
Getty | Jason LaVeris

Sean Hayes

The Will & Grace star will play Mr. Pinky in the show.

Andrea Martin
Getty | Bryan Bedder

Andrea Martin

The Broadway star will also appear in the upcoming musical as Prudy Pingleton, Penny's overprotective mother.

Rosie O'Donnell
Getty | Brent N. Clarke

Rosie O'Donnell

The comedian is set to make a special appearance as a gym teacher.

Maddie Baillio
Getty | VALERIE MACON

Maddie Baillio

Newcomer Maddie Baillio has been cast in the lead role after being plucked from the 1,000 other young hopefuls who attended an open casting call.

Ariana Grande
Getty | Jon Kopaloff

Ariana Grande

The singer is set to play Penny, Tracy Turnblad's best friend in the show.

Kristin Chenoweth
Getty | Cindy Ord

Kristin Chenoweth

The Broadway star is set to play Velma Von Tussle, the vindictive producer of "The Corny Collins Show," in the upcoming show.

Derek Hough
Getty | Jesse Grant

Derek Hough

His sister Julianne may have starred as Sandy in Fox's Grease Live!, but now Hough is stepping into the spotlight as he plays Corny Collins.

Martin Short
Getty | Jason Kempin

Martin Short

The hilarious actor will play Edna's husband, Wilbur, in the live production.

Jennifer Hudson
Getty | Rob Kim

Jennifer Hudson

After starring in The Color Purple, Hudson will add Motormouth Maybelle to her long list of iconic Broadway characters.

Harvey Fierstein
Getty | Jenny Anderson

Harvey Fierstein

Not only will Fierstein provide new written material, but he is also set to reprise his role as Edna Turnblad, which he won a Tony for in 2003.