‘Dancing With the Stars’ Season 21 Cast: Meet the Pros

'Dancing With the Stars' Season 21 Pros

Everyone's excited to see the celebrities who are competing on season 21 of Dancing With the Stars, but longtime fans of the show can't wait to see the pros (professional dancers) back in action. The new 2015 Fall season begins on September 14, 2015 at 8:00 p.m. ET/PT on ABC and some of our favorite pros have returned. Plus, there are pros who have been gone from the show that have come back as well. Click through our gallery to get to know the cast of pros who are training the celebrity contestants this season. (ABC/DWTS)