Deathly Hallows update: Broadbent and Staunton to return
In recent days, it has been confirmed that Jim Broadbent and Imelda Staunton will reprise their roles as Slughorn and Umbridge, respectively, in Harry Potter and the Deathly Hallows.
The BBC confirmed Broadbent's return in this interview, where Broadbent talks about working with the cast of the Potter films.
David Heyman confirmed Imelda Staunton's return during his Q&A session in Los Angeles. Here's the audio.