2001 and Beyond: Reparto
Arthur C. Clarke
Self
Keir Dullea
Self
Freeman Dyson
Self
Wally Gentleman
Self
Daniel Goldin
Self
Peter Kuran
Self
Larry Niven
Self
Daniel Richter
Self
Robert J. Sawyer
Self
Richard Terrile
Self
Douglas Trumbull
Self
David Pritchard
Narrator