"Who am I? He's called Horace Slughorn." Broadbent states. "He's a retired teacher of magic who's drawn back out of retirement because he's got some secrets they need in the battle against the Deatheaters and he's quite star struck as a teacher and he's drawn back into the fold because he likes to notch up celebrity students, and he's drawn back by Harry."
Daniel Radcliffe, Rupert Grint, Emma Watson, Helena Bonham Carter, David Bradley, Jim Broadbent, Jessie Cave, Robbie Coltrane, Warwick Davis, Frank Dillane, Tom Felton, Michael Gambon, Matthew Lewis, Evanna Lynch, Helen McCrory, Alan Rickman, Maggie Smith, Natalia Tena, Hero Fiennes Tiffin, Julie Walters, David Thewlis, Bonnie Wright