Kristy Flores (Rosie Martinez)
Asher Book (Marco)
Paul Iacono (Neil Baczynsky)
Paul McGill (Kevin Barrett)
Naturi Naughton (Denise Dupree)
Bebe Neuwirth (Ms. Lynn Kraft)
Kherington Payne (Alice Ellerton)
Collins Pennie (Malik Washburn)
Walter Perez (Victor Tavares)
Cody Longo (Andy Matthews)
Kay Panabaker (Jenny Garrison)
Anna Maria Perez De Tagle (Joy)
Julius Tennon (Denise's Dad)
April Grace (Denise's Mom)
Michael Hyatt (Malik's Mom)
Laura Johnson (Alice's Mom)
James Read (Alice's Dad)
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)
Debbie Allen (Principal Angela Simms)
Charles S. Dutton (Mr. James Dowd)
Kelsey Grammer (Mr. Martin Cranston)
Megan Mullally (Ms. Fran Rowan)