In a new interview with MTV, Daniel Radcliffe discusses Horace Slughorn's portrayal in the upcoming movie Harry Potter and the Half-Blood Prince. Dan comments that Slughorn's character will be mostly funny throughout the movie but in serious scenes "the tragedy [of Slughorn] outweigh the comedy." It is still unknown as to who will play the role of this Slytherin, but once it is announced we will keep you posted! 😊