John Williams as Self - Composer

Steven Spielberg as Self - Filmmaker

J.J. Abrams as Self - Filmmaker

Emanuel Ax as Self - Pianist

Kate Capshaw as Self - Actor / Wife of Steven Spielberg

Chris Columbus as Self - Filmmaker

Gustavo Dudamel as Self - Composer / Conductor, LA Phil

Ethan Gruska as Self - Record Producer / Grandson of John Williams

Paul Hirsch as Self - Editor

Javier C. Hernández as Self - Culture Reporter, The New York Times

Ron Howard as Self - Filmmaker

Thomas Hooten as Self - Principal Trumpet, LA Phil

Karen Johnson as Self - Concert Master, US Marine Chamber Orchestra

Lawrence Kasdan as Self - Filmmaker

Kathleen Kennedy as Self - Filmmaker

George Lucas as Self - Filmmaker

Yo-Yo Ma as Self - Cellist

Seth MacFarlane as Self - Filmmaker / Vocalist

James Mangold as Self - Filmmaker

Branford Marsalis as Self - Saxophonist / Composer

Frank Marshall as Self - Filmmaker

Chris Martin as Self - Musician, Coldplay

Elvis Mitchell as Self - Host of The Treatment, KCRW

Anne-Sophie Mutter as Self - Violinist

David Newman as Self - Film Composer / Conductor

Thomas Newman as Self - Composer

Itzhak Perlman as Self - Violinist

Ke Huy Quan as Self - Actor

Alex Ross as Self - Music Critic / Historian

Alan Silvestri as Self - Composer

Helen Wargelin as Self - Second Horn, Virginia Symphony Orchestra

Jenny Williams as Self - Daughter of John Williams

Irwin Allen as Self - Producer, The Poseidon Adventure, The Towering Inferno (archive footage)

Kenneth Wannberg as Self - Music Editor (archive footage)

Christopher Reeve as Self - Actor (archive footage)

Simone Porter as Self (archive footage)

Barbara Ruick as Reno Barmaid (archive footage) (uncredited)

Cher as Self (archive footage) (uncredited)

Goldie Hawn as Self (archive footage) (uncredited)

Macaulay Culkin as Kevin McCallister (archive footage) (uncredited)

Daniel Radcliffe as Harry Potter (archive footage) (uncredited)