| Debbie Allen | ... Ms. Angela Simms |
| Charles Dutton | ... Mr. James Dowd |
| Kelsey Grammer | ... Mr. Martin Cranston |
| Megan Mullally | ... Ms. Fran Rowan |
| Bebe Neuwirth | ... Ms. Kraft |
|
| with |
| Asher Book | ... Marco |
| Kristy Flores | ... Rosie Martinez |
| Paul Iacono | ... Neil Baczynsky |
| Paul McGill | ... Kevin Barrett |
| Naturi Naughton | ... Denise Dupree |
| Kay Panabaker | ... Jenny Garrison |
| Kherington Payne | ... Alice Ellerton |
| Collins Pennie | ... Malik Washburn |
| Walter Perez | ... Victor Tavares |
| Anna Maria Perez de Tagle | ... Joy |
|
| and |
| April Grace | ... Denise's Mom |
| Michael Hyatt | ... Malik's Mom |
| Cody Longo | ... Andy Matthews |
| James Read | ... Alice's Dad |
|
| Julius Tennon | ... Denise's Dad |
| Laura Johnson | ... Alice's Mom |
| Ryan Surratt | ... Eddie |
| Howard Gutman | ... Neil's Dad |
| Dale Godboldo | ... Music Executive |
| J. T. Horenstein | ... Dance Teacher |
| Stephanie Mace | ... Mr. Cranston's Assistant |
| Patrick Censoplano | ... Brooklyn Boy |
| Donte "Burger" Winston | ... Hype Man |
| Marcus Hopson | ... Senior Rapper |
| Krystle "Ak'sent" Johnson | ... Female Rapper |
| Tynisha Keli | ... Female Singer |
| Kate Mulligan | ... Karaoke Singer |
| Donnie Smith | ... Film Set PA |
| Earl Carroll | ... Camera Shop Clerk |
| Oren Waters | ... Singing Homeless Man |
| Tim Jo | ... Korean Boy |
| Mikey Reid | ... Red Haired Boy |
| Leslie Ishii | ... Administrator |
| Gavin Turek | ... Ethnic Girl |
| Paulina Gretzky | ... Gorgeous Blonde Senior |
| Alex Liddy | ... Friend of Brooklyn Boy |
| Bre Morgan | ... Intense Girl |
| Anastasia Boissier | ... Little 10 Year Old Girl |
| Kasha Kropinski | ... Ballerina |
| Jessie Sherman | ... Drama Helper |
| Jeremy Hudson | ... Dancer Boy |
| Mallauri Esquibel | ... Dancer Girl |
| Annika Daniel | ... Marco's Little Sister |
| Sophia Daniel | ... Marco's Little Sister |
| Tiffany Espensen | ... Joy's Sister |
| Scott Wood | ... Teacher |
| Eli Myers | ... Cafeteria Jam Piano Student |
| Seth Daly | ... Cafeteria Jam Violin Student |
| Miss Lola Rose | ... Butcher Shop Customer |
| Nisha Bedi | ... Drama Student |
| Nick Grimes | ... Drama Student |
| Angela Alexander | ... Drama Student |
| Eva Ramirez | ... Drama Student |
| Whitney Barncord | ... Drama Student |
| Brittany Magill | ... Drama Student |
| Smyth Campbell | ... Drama Student |
| Gino Barletta | ... Drama Student |
| Philomena Bankston | ... Drama Student |
| Ronald "Kartoon" Antwine | ... Nightclub Bouncer |
| Sharon Pierre-Louis | ... Broadway Girl |
| Hailey Villaire | ... Opera Girl |
| Deanna Knott | ... Club Jam Vocal #1 |
| Krys Ivory | ... Club Jam Vocal #2 |
| Betty Griffin-Keller | ... Orchestra Conductor |
|
| Dancers |
| Loriel Hennington | ... Dancer |
| Moira "Anjolie" Marfori | ... Dancer |
| Britt Stewart | ... Dancer |
| Colleen Craig | ... Dancer |
| Kelli Shimada | ... Dancer |
| Ashley Galvan | ... Dancer |
| Katie Norman | ... Dancer |
| Anthony Carr | ... Dancer |
| Casey Monnie | ... Dancer |
| Jason Williams | ... Dancer |
| Nick Lanzisera | ... Dancer |
| Ryan Novak | ... Dancer |
| Rey Barcena | ... Dancer |
| Dominique Kelley | ... Dancer |
| Antonio Hudnell | ... Dancer |
| Ava Bernstine | ... Dancer |
| Bobby Amamizu | ... Dancer |
| Heather Phillips | ... Dancer |
| Shelby Rabara | ... Dancer |
| Shari Butler | ... Dancer |
| Katheryn McCormick | ... Dancer |
| Malerie Grady | ... Dancer |
| Mike Munich | ... Dancer |
| Tyne Stecklein | ... Dancer |
| Jameson Perry | ... Dancer |
| Chris Liu | ... Dancer |
| Jermaine McGee | ... Dancer |
| Brandon O'Neal | ... Dancer |
| Danny Axley | ... Dancer |
| Tracy Shibata | ... Dancer |
| Galadriel Stineman | ... Dancer |
| Krystal Ellsworth | ... Dancer |
