Jeremy Piven as Narrator (voice)

Daniel Radcliffe as Self

Rupert Grint as Self

Emma Watson as Self

Chris Columbus as Self

Alfonso Cuarón as Self

Tom Felton as Self

J.K. Rowling as Self

Gary Oldman as Self

David Heyman as Self

Richard Harris as Self

Maggie Smith as Self

Robbie Coltrane as Self

John Cleese as Self

Alan Rickman as Self

Ian Hart as Self

Stuart Craig as Self

Kenneth Branagh as Self

Jason Isaacs as Self

Mark Radcliffe as Self

Michael Gambon as Self

David Thewlis as Self