The first trailer for "Harry Potter and the. Riddle continues as Ron Weasley lies stiff on the floor of Professor Slughorn’s office, seemingly dead. It’s not Riddle, of course, who poisons Ron with. l Tom Felton, who plays Draco Malfoy, originally auditioned for the roles of Harry and Ron. l Having written half of Harry Potter And The. the character of Ron Weasley halfway through the series. Image Jamie Parker,…