For season 10, Ballas was partnered with actress Shannen Doherty.They were the first couple eliminated, on March 30, 2010.He was partnered with actress Melissa Joan Hart for the show's ninth season.They were voted off in week six and came in 9th place.For season 15, he returned with season 11 partner, Bristol Palin.In week 7, he danced with former partner Shawn Johnson because her partner, Derek Hough suffered a neck injury.He was also the understudy for the role of Ritchie Valens in the UK national tour of Buddy, The Buddy Holly Story.Ballas played an extra in Harry Potter and the Sorcerer's Stone as part of the Hufflepuff House.
Ballas is a professional ballroom dancer on the ABC program Dancing with the Stars.
On May 21, however, they were eliminated at the beginning of the show landing them in fourth place.
For season 17, he was paired with singer Christina Milian.
He was paired with two-time Olympic champion Aly Raisman for season 16.
Since season 16 had four couples reach the finals for the first time, Aly and Mark were able to become finalists.