Cast and credits of Creating the World of Harry Potter, Part 4: Sound and Music

Emma Watson
Herself - 'Hermione Granger'

Daniel Radcliffe
Himself - 'Harry Potter'

David Heyman
Himself - Producer

Jason Isaacs
Himself - 'Lucius Malfoy'

John Williams
Himself - Composer

Patrick Doyle
Himself - Composer

Randy Kerber
Himself - Musician

Chris Columbus
Himself - Director

Matthew Lewis
Himself - 'Neville Longbottom'

Alfonso Cuarón
Himself - Director