Step Up 3D is a movie starring Sharni Vinson, Rick Malambri, and Adam Sevani. A tight-knit group of New York City street dancers find themselves pitted against the world's best hip hop dancers in a high-stakes showdown. Actors who played in the movie Rick Malambri, Adam Sevani, Sharni Vinson, Alyson Stoner, Keith Stallworth.You are watching the movie Step Up 3D produced in USA belongs.