Arthur C. Clarke

Self

John Baxter

Self

Anthony Frewin

Self

Dennis Muren

Self

Roger Ebert

Self

David Hughes

Self

Paul Duncan

Self

Douglas Trumbull

Self

Dan O'Bannon

Self

Rob Coleman

Self

Bettyann Kevles

Self

John F. Kennedy

Self (archive footage)

Phil Tippett

Self

John Dykstra

Self

Jan Harlan

Self

Hugh Hudson

Self

William Friedkin

Self

John Calley

Self

Richard Edlund

Self

Sydney Pollack

Self