Tom Amandes Jack Schmitt Actor David Clennon Lee Silver Actor Tom Hanks Jean-Luc Despont Actor, Writer Tchéky Karyo George Melies Actor Daniel Hugh Kelly Gene Cernan Actor Stephen Root Chris Kraft Actor Nick Searcy Deke Slayton Actor Lane Smith Emmett Seaborn Actor Bart Braverman Older Sahjid Actor Chris Ellis Bob Parker Actor Blythe Danner Narrator Elizabeth Morehead Tracy Cernan Actor Jonathan Mostow Director