About:
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.

• Known For
• 
  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
• 
  Samantha Who?
  as
  Mateo Romero (1 episode)
• 
  Melissa & Joey