Harry Potter cast and producers remember their favourite lines

The cast, producers and director of 'Harry Potter and The Deathly Hallows' recall their favourite lines of dialogue from the entire Harry Potter series.

Featuring cast members Emma Watson, Rupert Grint, Ralf Fiennes, Tom Felton, Matthew Lewis, Michael Gambon, Robbie Coltrane, Julie Walters, Jason Isaacs, Helen McCrory, David Thewlis, Evanna Lynch, Warwick Davis, Bonnie Wright, James Phelps, Oliver Phelps, Natalia Tena, Domnhall Gleeson and Nick Moran. Director David Yates and producers David Heyman and David Barron.