Cast

• Sharni Vinson as Natalie
• Rick Malambri as Luke
• Alberto Zuniga as Junior Zuniga
• Alyson Stoner as Camille Gage
• Adam Sevani as Moose
• Harry Shum, Jr as Cable
• Ally Maki as Jenny Kido, Kido joins the MSA Crew in order to express herself. In Step Up 2: The Streets Kido was portrayed by Mari Koda.
• Harriet Maclennan as Lil' Rogue
• Bailey Hanks as New York tour guide
• Lil' Demon
• Anna-Jane Johnston
• Brooke Mildenhall
• Earlier So You Think You Can Dance finalists, including:

* Ivan Koumaev
* Katee Shean
* Joshua Allen
* Stephen "Twitch" Boss
* Amar Muminović "Smell me" as Bighead

Briana Evigan (Step Up 2: The Streets) will not be in Step Up 3D as rumored. She confirmed it via Twitter.