Mark Ballas
KNOWN FOR View Movie
as Hogwarts Schoolboy (uncredited) Harry Potter and the Philosopher's Stone Mark Alexander Ballas Jr. is an American professional Latin and ballroom dancer, choreographer, musician, and actor. Since 2007, he has appeared as a pro on the ABC reality competition program Dancing with the Stars, winning the series three times.
Filmography
Harry Potter and the Philosopher's Stone
as Hogwarts Schoolboy (uncredited)
The Undefeated
as Self - on The Tonight Show (archive footage)
The Queen Family Singalong
as Self - Alexander Jean