All Cast
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
