This article is not part of the Harry Potter universe. This article covers a subject that is part of the real world, and thus should not be taken as a part of the Harry Potter universe. Mark Ballas. Mark Ballas (born May 24, 1986) is an American dancer and actor who played a Hogwarts schoolboy in the film adaptation of Harry Potter and the Philosopher's Stone. Behind the scenes Mark had also starred with Derek Hough and Julianne Hough in Dancing with the Stars. External links Mark Ballas at the Internet Movie Database Retrieved from "https://harrypotter.fandom.com/wiki/Mark_Ballas?oldid=1089846" Categories: Out of universe Articles with information from Harry Potter and the Philosopher's Stone American actors (real-world) Harry Potter and the Philosopher's Stone actors *Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.