| Channing Tatum | .... | Tyler Gage |
| Jenna Dewan | .... | Nora Clark |
| Damaine Radcliff | .... | Mac Carter |
| De'Shawn Washington | .... | Skinny Carter |
| Mario | .... | Miles Darby |
| Drew Sidora | .... | Lucy Avila |
| Rachel Griffiths | .... | Director Gordon |
| Josh Henderson | .... | Brett Dolan |
| Tim Lacatena | .... | Andrew |
| Alyson Stoner | .... | Camille |
| Heavy D | .... | Omar |
| Deirdre Lovejoy | .... | Nora's Mom / Katherine Clark |
| Jane Beard | .... | Lena Freeman |
| Richard Pelzman | .... | Bill Freeman |
| Carlyncia Peck | .... | Mac's Mother |
| Ryan Sands | .... | History Teacher |
| Delon Howell | .... | PJ |
| Dominique Boyd | .... | Omar Party Girl Yvette |
| Angelica Huesca | .... | Omar Party Pretty Girl |
| Frank Ferrara | .... | Security Guard |
| Frank Herzog | .... | Judge Milton |
| Anne Fletcher | .... | Ms. Stephanie |
| Natalie Steinberg | .... | Little Girl Ballerina |
| John Leslie Wolfe | .... | Scout #2 |
| Jamie Scott | .... | Colin |
| Isaiah Washington | .... | Malcolm |
| Jiehae Park | .... | Stagehand |
| Sheila Cutchlow | .... | Scout #1 |
| Tony Devon | .... | Defense Attorney |
| Karim Fawzy | .... | Omar Partier |
| Shiloh Monaco | .... | Piano Player / Finale Orchestra |
| Jeanne | .... | Girl Singer #1 / Lucy Back Up Singer #1 |
| Robyn Norris | .... | Girl Singer #2 / Lucy Back Up Singer #2 |
| Jeannie Ortega | .... | Girl Singer #3 |
| Damien Escobar | .... | Violinist #1 |
| Tourie Escobar | .... | Violinist #2 |
| Jeremiah Griffin | .... | Lucy Backup Singer #3 |
| Caitlin Kinney | .... | Ballerina / Dance Class Dancer |
| Kevin Eugene Green | .... | Basketball Player #1 |
| Javes Wiggins | .... | Basketball Player #2 |
| Steve E. Carter | .... | Basketball Player #3 |
| Donald Rheubottom | .... | Court Room Sheriff |
| Donald Waugh | .... | Fruit Vendor |
| Michael Seresin | .... | Custodian |
| Larissa Rotnitskaya | .... | Accompanist |
| Spencer Longmore | .... | Omar's Chop Shop Guy |
| Leigh Bender | .... | Finale Orchestra |
| Rachel Dickey | .... | Finale Orchestra |
| Brett Frankel | .... | Finale Orchestra |
| Mehran Haq | .... | Finale Orchestra |
| Rachel Halden | .... | Finale Orchestra |
| Erik Heckert | .... | Finale Orchestra |
| Caleb Jones | .... | Finale Orchestra |
| Veronica Keszthelyi | .... | Finale Orchestra |
| Chris Liu | .... | Finale Orchestra |
| Sean Mikel | .... | Finale Orchestra |
| Wes Wise | .... | Finale Orchestra |
| Eli Worth | .... | Finale Orchestra |
| Oscar Campisi | .... | Ballet Dancer |
| Adrienne Canterna | .... | Ballet Dancer |
| Tara Ghassemieh | .... | Ballet Dancer |
| Nikkia Parish | .... | Ballet Dancer |
| Ryan Rankine | .... | Ballet Dancer / Dance Class Dancer |
| Casey Lee Ross | .... | Ballet Dancer |
| Emily Bicks | .... | Dance Class Dancer |
| Whitney Brown | .... | Dance Class Dancer / Nora's 'Finale' Dancer |
| Ashley Canterna | .... | Dance Class Dancer |
| Sara Cato | .... | Dance Class Dancer |
| Caitlin Gold | .... | Dance Class Dancer |
| Shalyce Hemby | .... | Dance Class Dancer |
| Stephanie Jingle | .... | Dance Class Dancer |
| Rebecca Mejia | .... | Dance Class Dancer |
| Michael Uriarte | .... | Dance Class Dancer / Nora's 'Finale' Dancer / Dancer |
| Joshua Schulteis | .... | Dance Class Dancer |
| Anthony Carr | .... | Nora's 'Finale' Dancer |
| Laura Edwards | .... | Nora's 'Finale' Dancer / Nightclub Dancer |
| Samantha Frampton | .... | Nora's 'Finale' Dancer |
| Adam Gericke | .... | Nora's 'Finale' Dancer |
| Antonio Hudnell | .... | Nora's 'Finale' Dancer |
| Julie Nelson | .... | Nora's 'Finale' Dancer / Dancer |
| Samantha Zweben | .... | Nora's 'Finale' Dancer |
| Mitch Cohn | .... | Colin / Lucy's Band |
| Jonathan Finlayfon | .... | Colin / Lucy's Band |
| Daniel Jones | .... | Colin / Lucy's Band |
| Corey King | .... | Colin / Lucy's Band |
| Jermaine Parrish | .... | Colin / Lucy's Band |
| Steve Rodriguez | .... | Colin / Lucy's Band |
| William Dontay Spence | .... | Colin / Lucy's Band |
| Clarence Ward | .... | Colin / Lucy's Band |
| Derek Brown | .... | Nightclub Dancer |
| Shawn Cosby | .... | Nightclub Dancer |
| Melissa Emrico | .... | Nightclub Dancer |
| Sabrina Furr | .... | Nightclub Dancer |
| Charles Hawkins | .... | Nightclub Dancer / Hip Hop Dancer |
| George Hubela | .... | Nightclub Dancer / Hip Hop Dancer |
| Joseph Nontanovan | .... | Nightclub Dancer / Hip Hop Dancer |
| Jameson Perry | .... | Nightclub Dancer / Hip Hop Dancer |
| Ashley Phipps | .... | Nightclub Dancer |
| Denise Piane | .... | Nightclub Dancer |
| Sarah Satow | .... | Nightclub Dancer |
| Jamal Sims | .... | Nightclub Dancer |
| Adam Shankman | .... | Nightclub Dancer |
| Taylor Walker | .... | Nightclub Dancer |
| Zachary Woodlee | .... | Nightclub Dancer |
| John Alix | .... | Audition Dancer |
| Mark Fangmeyer | .... | Audition Dancer |
| Andrew Johnson | .... | Audition Dancer |
| Kellie Corbett | .... | Hip Hop Dancer |
| Sherray Gibson | .... | Hip Hop Dancer |
| Lance Guillermo | .... | Hip Hop Dancer / Omar Party Dancer |
| Christin Jennings | .... | Hip Hop Dancer / Omar Party Dancer |
| Kirk Jennings | .... | Hip Hop Dancer |
| Monica Warr | .... | Hip Hop Dancer / Omar Party Dancer |
| Roddy Carter | .... | Omar Party Dancer |
| Rana Poindexter | .... | Omar Party Girl #2 |
| Joanna Becker | .... | Dancer (uncredited) |
| Ted Borodaeff | .... | Dancer (uncredited) |
| Jeremy Bustin | .... | Dance Student (uncredited) |
| Jen Carden | .... | Costumer (uncredited) |
| Eddy Challita | .... | Club Patron Dancing (uncredited) |
| Jordan Michael Coulson | .... | Student (uncredited) |
| Devraj Dasgupta | .... | Art Student (uncredited) |
| Bruce Allen Dawson | .... | Funeral Mourner (uncredited) |
| Pamela Fischer | .... | Receptionist (uncredited) |
| Alan Gates | .... | Bartender (uncredited) |
| Stephanie Ray Glass | .... | Ballet Dancer (uncredited) |
| Thomas M. Hagen | .... | Nightclub Dancer (uncredited) |
| Matt Hartman | .... | Teacher (uncredited) |
| Katherine Hoskins Mackey | .... | Talent Scout (uncredited) |
| Melvin Jackson Jr. | .... | PJ's Boy (uncredited) |
| Kawan Kean | .... | Music Student (uncredited) |
| Nicole Catrice Keller | .... | MSA Student / Ballet Dancer (uncredited) |
| Jonathan Langley | .... | Dancer (uncredited) |
| Chris K. Layman | .... | Stage Manager (uncredited) |
| James P. Morrow | .... | Parent (uncredited) |
| Sandra Lynn O'Brien | .... | Parent (uncredited) |
| Chris O'Brocki | .... | Music Student (uncredited) |
| Mina Pahlevan | .... | Club Patron (uncredited) |
| Emily Peachey | .... | Student (uncredited) |
| Jennifer Rouse | .... | Nightclub Dancer (uncredited) |
| Natasha Sattler | .... | Concert Usher (uncredited) |
| Noah Schaftel | .... | Nightclub Dancer (uncredited) |
| Leo Christopher Sheridan | .... | Dance Student (uncredited) |
| Kacie Smith | .... | Dancer (uncredited) |
| Thomas W. Stewart | .... | Nightclub Dancer (uncredited) |
| JB Tadena | .... | MSA Student (uncredited) |
| Towanda Underdue | .... | Hip Hop Dancer / Omar Party Dancer (uncredited) |
| Shaunte Usual | .... | Dancer (uncredited) |
| Torell Vinson | .... | Band Student (uncredited) |