who played Slytherin Blaise Zabini. Related: Harry Potter Star Matthew Lewis Believes Young Cast Escaped 'Pitfalls of Being a Child Actor' Because They Had Each Other There were also some ...

Fans of Harry Potter were treated to a little impromptu ... and Louis Cordice who played Blaise Zabini. Devon Murray, who played Seamus Finnegan, was also featured, as well as Jamie Campbell ...