Jeremy Piven

Narrator (voice)

Daniel Radcliffe

Self

Rupert Grint

Self

Emma Watson

Self

Chris Columbus

Self

Alfonso Cuarón

Self

Tom Felton

Self

J.K. Rowling

Self

Gary Oldman

Self

David Heyman

Self

Richard Harris

Self

Maggie Smith

Self

Robbie Coltrane

Self

John Cleese

Self

Alan Rickman

Self

Ian Hart

Self

Stuart Craig

Self

Kenneth Branagh

Self

Jason Isaacs

Self

Mark Radcliffe

Self

Michael Gambon

Self

David Thewlis

Self