On screen
Cast
14 credited performers
Artwork unavailable
Jaromir Astl
Self
Artwork unavailable
Jeremy Bernstein
Self
Arthur C. Clarke
Self
Artwork unavailable
Ed Creutz
Self
Freeman Dyson
Self
Artwork unavailable
George Dyson
Self
Artwork unavailable
Edward B. Giller
Self
Jonathan Kydd
Narrator
Artwork unavailable
Thomas Macken
Self
Artwork unavailable
Harris Mayer
Self
Artwork unavailable
Donald I. Prickett
Self
Artwork unavailable
Johndale Solem
Self
Artwork unavailable
Theodore B. Taylor
Self
Artwork unavailable
David Weiss
Self